CN1248194A - Safety razors - Google Patents
Safety razors Download PDFInfo
- Publication number
- CN1248194A CN1248194A CN98802646A CN98802646A CN1248194A CN 1248194 A CN1248194 A CN 1248194A CN 98802646 A CN98802646 A CN 98802646A CN 98802646 A CN98802646 A CN 98802646A CN 1248194 A CN1248194 A CN 1248194A
- Authority
- CN
- China
- Prior art keywords
- blade
- parts
- safety razor
- blade assembly
- supporter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
- B26B21/14—Safety razors with one or more blades arranged transversely to the handle
- B26B21/22—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
- B26B21/14—Safety razors with one or more blades arranged transversely to the handle
- B26B21/22—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
- B26B21/222—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit
- B26B21/227—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit with blades being resiliently mounted in the changeable unit
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dry Shavers And Clippers (AREA)
- Cosmetics (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Knives (AREA)
- Prostheses (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Hall/Mr Elements (AREA)
Abstract
A safety razor blade unit having a plurality of blades (4) presenting substantially parallel blade edges. The blades are disposed between the surface of a guard and a cap. The blades are independently movable and are carried by supports (5). At least one of the supports has spaced portions (12) projecting forwardly of the associated blade to present skin contacting portions.
Description
The present invention relates to a kind of safety razor, be particularly related to a kind of blade assembly of safety razor, this blade assembly has at least one blade that has a cutting edge, and blade assembly is connected on the one handle, when shaving by handle, this cutting edge laterally moves at skin surface.Blade assembly can be installed on the handle, so that can be with the old blade of new blade exchange when needing.The blade assembly of changing is also called blade cartridge usually.In addition, a blade assembly also can for good and all be connected on the one handle, when the blade rust, in the time of can not re-using, just whole razor is thrown away.Razor blade assembly generally comprises protection coating and cover surfaces, these surfaces contact with skin at the place ahead and the rear of blade respectively, and these surfaces determine to have considerable effect in the parameter of blade with respect to the direction of skin and position in the process determining that the so-called geometric parameter that shaves is promptly shaving.
Promising safety razor provides the method for a pectinate texture in the prior art, be used for contacting with skin in the front of blade, this structure is arranged on the protection coating in some cases or constitutes protection coating, and other arrangement provides pectinate texture in the sept between the blade of pair of series in addition.The requirement that provides pectinate texture to satisfy safety and comfort has on the one hand also guaranteed the degree of pressing close to that shaves on the other hand, has reached the unification of the safety and comfort and the good effect that shaves.Disclose the example of pectinate texture in the prior art in the United States Patent (USP) 3004337,4272885 and 5359774 respectively, thought that wherein it derives from the reduction of pressing close to degree between skin and the blade to improved safety and comfortableness.
The blade assembly that has pectinate texture in the prior art has fixing blade, and generally in the process of shaving in order to change the geometric parameter that shaves, the blade of being installed can be moved under the effect of power, and the above-mentioned razor with pectinate texture then is not easy to satisfy such demand.
The invention provides a kind of blade assembly of safety razor, comprise a frame that has protection coating and cover surfaces on it, a plurality ofly be installed in the blade that has substantially parallel blade on above-mentioned between protection coating and the cover surfaces, these blades are positioned on each blade supporter, can be independent mobile in above-mentioned, to change the geometric parameter that shaves according to the active force that in the process of shaving, gives blade, at least in the blade supporter is connected on some parts rigidly, these parts arrange at interval and stretch out forward from described blade along being positioned at blade on the described blade supporter, these parts have in the front of blade directly divide with the contacted skin contact part of skin and cardinal principle tangent with described blade.
The blade assembly with pectinate texture of prior art has reduced the degree of pressing close to skin when attempting to improve security and comfortableness.Have been found that safety razor of the present invention blade assembly a most preferred embodiment obtained good press close to effect in, its security and comfortableness have also improved.In this most preferred embodiment, the parts that stretch out forward have upper surface portion, and this upper surface portion extends to a bit along straight line in side view, this point apart from the distance of blade in 0.10 to 0.3 millimeter scope.Though these extended parts can be formed on the parts that are installed to securely on the blade supporter, they had better make one with the blade supporter.Under above-mentioned each situation, above-mentioned parts can be packed into easily and easily and one be had in the blade assembly of removable blade, even and blade in the process of shaving, occurs and move, these parts also remain and work effectively.And these parts have the surface that contacts with skin, and these surfaces are all leaned on very closely with blade in any case.Because the upper surface portion that can be flat or arch is positioned at same plane with blade basically, therefore these parts can slide on skin surface in the mode similar to sledge or runner, and then guide blade effectively to contact with the skin generation, prevent that simultaneously blade from moving on the longitudinal direction of blade.
In an optimum structure, the lateral edge that extended part has flat side and upper surface portion seamlessly transits, and combines with the radial or scattered side surface that extends to flat side.These characteristics help when guaranteeing comfortableness these parts being played a role effectively.
The width range that is fit to of above-mentioned parts is 0.10 to 0.3 millimeter, and the width of the surface portion that contacts with skin on top is not more than 0.1 millimeter, and this can be avoided parts that beard is flattened on skin surface.
Spacing between the above-mentioned parts is preferably less than 2 millimeters, and such as in 0.5 to 1.5 millimeter scope, about 1.0 millimeters spacing is only.
In order to guarantee soft initial contact the between above-mentioned parts and the skin, these parts have circular nose part at its front end, and these nose parts carry out the transition to upper surface portion smoothly.
The above-mentioned feature that reaches other of a most preferred embodiment of the present invention is described below with reference to accompanying drawings in more detail.Accompanying drawing comprises:
Fig. 1 is the partial perspective view of the blade assembly of a safety razor;
Fig. 2 is a view of apparatus, shows a part and the supporter thereof of blade;
Fig. 3 is a rearview of blade and supporter thereof;
Fig. 4 is a front view of the part of blade supporter;
Fig. 5 is the stereogram of a blade supporter of revising;
Fig. 6 is a view of apparatus of one in the parts of blade supporter shown in Figure 5;
Fig. 7 is a plan view of parts shown in Figure 6;
Fig. 8 is a front view of parts shown in Figure 6;
Fig. 9 is a side view of parts shown in Figure 6;
Figure 10 is the stereogram of another razor blade and supporter assembly thereof;
Figure 11 is a view of apparatus, shows the part of assembly shown in Figure 10; With
Figure 12 is a parts exploded perspective view of assembly shown in Figure 10.
Safety razor blades assembly shown in Figure 1 or blade cartridge have a molded plasticity frame 1, protection coating and cover surfaces are provided on this, and this comprises that one has the elastic material rod 2 and a lubriation material bar 3 of vertical fin, and both are connected on above-mentioned respectively securely.Three parallel blades 4 are installed between protection coating and cover surfaces, and blade 4 has the cutting edge before pointing to, and is disposed in order between protection coating and cover surfaces.Each blade 4 all is connected on the blade supporter 5 securely, and be connected on above-mentioned with the end of a kind of known mode with the blade supporter, so that in the process that shaves of using this razor, blade can the antagonistic spring (not shown) active force and under the effect that is applied to the power on the blade, move with respect to above-mentioned.
Be shown specifically at Fig. 2 to 4, each blade supporter 5 includes a straight beam part 10, from it the portion edge forward and extended upward a blade platform 11, and blade 4 leans against on the upper surface of this blade platform and adopts the mode of for example spot welding to fix.The pectination parts 12 of one the interval arrange and stretch out forward from this platform evenly that along above-mentioned blade platform these one pectination parts 12 are perpendicular with blade.In the formation of blade supporter upper-part 12 and shape, position and the size of this parts 12 are important features of the present invention.As shown in the figure, parts 12 have flat side along the outstanding forward part of blade at least, and these parts have flat upper surface portion 14, and this part 14 is connected on the side by rounded edges 15.The leading end of parts 12 that is positioned at the front portion of upper surface portion 14 has round nose 16, and this nose 16 carries out the transition to upper surface portion 14 smoothly.The inclined degree of the upper surface of the root 17 of parts 12 is more precipitous than blade platform surface, so that at more close its edge surface of the downside of blade 4, but this point is not very important, also can have a bigger gap between the downside of blade and parts.The rear portion of upper surface portion 14 or afterbody and blade lean on very closely, and gap width therebetween is usually less than 14 the front end from the blade to the surface portion or several times of the distance A (as shown in Figure 3) of leading end.The surface portion 14 of all these parts on the blade supporter is positioned at a common plane, the tangent blade that promptly comprises on the supporter of this plane and blade.Distance A is in 0.10 to 0.3 millimeter scope, particularly in 0.15 to 0.2 millimeter scope.These parts at the width between its flat side in 0.5 to 1.5 millimeter scope, for example about 1.0 millimeters, and these parts are with 1.0 millimeters pitch arrangement.
In use, the extended part 12 of the supporter of blade has a guiding function that blade assembly is moved on skin on perpendicular to the direction of blade one, and these parts slide on skin surface in the mode similar to sledge or runner.Thus, the security and the comfort of razor have further been improved.Simultaneously, owing to guaranteed between blade and the skin surface each other effective the contact, realize better shaving effect near parts 12.
Fig. 5 to 9 shows the blade supporter of a modification, and this blade supporter can together use with any or a plurality of blade in the safety razor blades assembly shown in Figure 1.The blade supporter of this modification except the shape difference of the parts 22 that stretch out forward, other parts be identical with reference to the described blade supporter of Fig. 2 to 4.Be different from and have flat upper surface portion, these parts have the central upper surface portion 24 of arch, and its radius of curvature is approximately 0.07 millimeter, and the lateral edge of this part 24 seamlessly transits, combine with scattered side surface 25, extend to flat lateral surface on this surface 25.As can be seen, the top of arch upper surface portion extends to a little 27 along straight line, puts 27 places at this from side view (Fig. 9), and these surface portions are smoothly transitted into circular nose 26.The size of parts 22 with regard to width and spacing, can be identical with described in Fig. 2 to 4, and when blade is installed on the blade supporter, will be identical from blade to the distance of putting 27 with above-mentioned distance A.Figure 10 to 12 shows a razor blade and blade supporter assembly, wherein, be different from and make one with the blade supporter in Fig. 1 to 9 illustrated embodiment, the parts 32 that stretch out forward from blade are formed on the independent plastic injection moulded piece 30, and this part 30 is installed on the blade supporter 31 securely.As shown in the figure, injection molded 30 has a plurality of pin or pillars 34 of making one with it along its length direction, these pins or pillar 34 insert by the corresponding hole 35 that is located in the blade supporter, the free end of the protrusion of pillar is out of shape under the effect as heating or pressure, so that they radially increase in the back of blade supporter, and then injection molded is fastened on the blade supporter.The shape of the top edge of injection molded is identical with the shape of the downside of the supporting part of blade 36, and parts 32 stretch out forward from this top edge.The rear end upper surface of parts 30 defines two surfaces, and these two surfaces are used to lean against blade supporter 31, and the assurance extended part is aimed at the blade supporter and then with the accurate of cutting edge of blade 36.Extended part 32 can be of similar shape and size with the parts 22 of the above-mentioned blade supporter of describing with reference to Fig. 5 to 9, and they preferably also the relative position with the above embodiments is identical with respect to the position of the cutting edge of blade 36.Blade shown in Figure 10 to 12 and supporter assembly can be used as one or more blade supporter assemblies and use in razor blade assembly shown in Figure 1.
Although it is conspicuous making some modifications and variations at the present invention in aim of the present invention and scope, protection scope of the present invention only is limited to the appended claims.
Claims (12)
1. the blade assembly of a safety razor, comprise a frame that has protection coating and cover surfaces on it, a plurality ofly be installed in the blade that has substantially parallel blade on above-mentioned between protection coating and the cover surfaces, these blades are positioned on each blade supporter, can be independent mobile in above-mentioned, to change the geometric parameter that shaves according to the active force that in the process of shaving, gives blade, at least in the blade supporter is connected on some parts rigidly, these parts arrange at interval and stretch out forward from described blade along being positioned at blade on the described blade supporter, these parts have in the front of blade directly divide with the contacted skin contact part of skin and cardinal principle tangent with described blade.
2. the blade assembly of a kind of safety razor as claimed in claim 1 is characterized in that described parts that stretch out forward and blade supporter make one.
3. the blade assembly of a kind of safety razor as claimed in claim 1 or 2, it is characterized in that described parts have upper surface portion, this upper surface portion extends to a bit at the side view cathetus, this point apart from the distance (A) of blade in 0.10 to 0.3 millimeter scope.
4. the blade assembly of a kind of safety razor as claimed in claim 3 is characterized in that the length of described straight line surfaces part is the several times of the distance between described surface portion and the blade.
5. as the blade assembly of each the described a kind of safety razor in the claim 1 to 4, it is characterized in that described upper surface portion seamlessly transits at its front end, partly combine with the rounded nose of described parts.
6. as the blade assembly of each the described a kind of safety razor in the claim 1 to 5, it is characterized in that the lateral edge that described parts have flat side and a upper surface portion seamlessly transits, and combines with the radial or scattered side surface that extends to flat side.
7. as the blade assembly of each the described a kind of safety razor in the claim 1 to 6, the width that it is characterized in that described parts is 0.10 to 0.3 millimeter.
8. the blade assembly of a kind of safety razor as claimed in claim 7 is characterized in that the width of described upper surface portion is not more than 0.15 millimeter.
9. as the blade assembly of each the described a kind of safety razor in the claim 1 to 8, it is characterized in that described parts along the spacing longitudinally of blade less than 2 millimeters.
10. the blade assembly of a kind of safety razor as claimed in claim 9, it is characterized in that described parts along the spacing longitudinally of blade in 0.5 to 1.5 millimeter scope.
11. the blade assembly of a kind of safety razor as claimed in claim 10 is characterized in that described spacing approximates 1.0 millimeters greatly.
12. as the blade assembly of each the described a kind of safety razor in the claim 1 to 11, it is characterized in that the part that contacts with skin backward of described parts has root, the inclined degree of its upper surface is consistent with the blade face of blade downside.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9703293.2 | 1997-02-18 | ||
| GBGB9703293.2A GB9703293D0 (en) | 1997-02-18 | 1997-02-18 | Safety razors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1248194A true CN1248194A (en) | 2000-03-22 |
| CN1080169C CN1080169C (en) | 2002-03-06 |
Family
ID=10807822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98802646A Expired - Lifetime CN1080169C (en) | 1997-02-18 | 1998-02-13 | Safety razors |
Country Status (29)
| Country | Link |
|---|---|
| EP (1) | EP1007297B1 (en) |
| JP (1) | JP4201842B2 (en) |
| KR (1) | KR100539658B1 (en) |
| CN (1) | CN1080169C (en) |
| AR (1) | AR011824A1 (en) |
| AT (1) | ATE222842T1 (en) |
| AU (1) | AU724961B2 (en) |
| BR (1) | BR9807229A (en) |
| CA (1) | CA2278806C (en) |
| CO (1) | CO4761086A1 (en) |
| CZ (1) | CZ293915B6 (en) |
| DE (1) | DE69807495T2 (en) |
| ES (1) | ES2182269T3 (en) |
| GB (1) | GB9703293D0 (en) |
| HK (1) | HK1025071A1 (en) |
| HU (1) | HU223834B1 (en) |
| ID (1) | ID22918A (en) |
| IL (1) | IL131187A (en) |
| NO (1) | NO322846B1 (en) |
| NZ (1) | NZ337014A (en) |
| PL (1) | PL186889B1 (en) |
| PT (1) | PT1007297E (en) |
| RO (1) | RO120325B1 (en) |
| RU (1) | RU2181324C2 (en) |
| SK (1) | SK285265B6 (en) |
| TR (1) | TR199901981T2 (en) |
| UA (1) | UA54495C2 (en) |
| WO (1) | WO1998035795A1 (en) |
| YU (1) | YU38899A (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2354474B8 (en) * | 1999-09-27 | 2008-01-29 | Gillette Co | Safety razors |
| EP1634681B1 (en) | 2002-10-08 | 2010-07-21 | The Gillette Company | Shaving system for performing multiple shaving actions |
| EP1715984B1 (en) * | 2004-02-05 | 2010-03-17 | Koninklijke Philips Electronics N.V. | A shaving head having a blade supporting member with reduced cross-sectional area |
| JP4950506B2 (en) | 2006-02-14 | 2012-06-13 | 株式会社貝印刃物開発センター | razor |
| JP4950507B2 (en) * | 2006-02-14 | 2012-06-13 | 株式会社貝印刃物開発センター | razor |
| JP4977374B2 (en) * | 2006-02-14 | 2012-07-18 | 株式会社貝印刃物開発センター | razor |
| EP2419247B1 (en) | 2009-04-15 | 2020-05-27 | BIC-Violex S.A. | Method of manufacturing a razor head component, support obtained thereby and razor cartridge and razor comprising said support |
| JP2013514145A (en) * | 2009-12-18 | 2013-04-25 | ザ ジレット カンパニー | Razor cartridge with non-blade element |
| PL2537648T3 (en) * | 2011-06-20 | 2017-01-31 | The Gillette Company | Razor cartridge with skin contact element |
| US20140026424A1 (en) * | 2012-07-24 | 2014-01-30 | The Gillette Company | Razor cartridge |
| RU2678113C2 (en) * | 2014-08-07 | 2019-01-23 | Бик-Виолекс Са | Head with trimmer blade and razor containing a handle and such head |
| US10773404B2 (en) * | 2015-05-13 | 2020-09-15 | The Gillette Company Llc | Shaving razor cartridge |
| DE102016110239A1 (en) | 2016-06-02 | 2017-12-07 | Wladimir Mor | SHEAR HEAD FOR A NOSE RAZOR |
| US11446835B2 (en) | 2019-07-15 | 2022-09-20 | The Gillette Company Llc | Shaving razor cartridge |
| EP3771531B1 (en) * | 2019-07-31 | 2024-07-24 | BIC Violex Single Member S.A. | Razor cartridge |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3004337A (en) * | 1959-06-15 | 1961-10-17 | Walter O Schweizer | Razor having a bifurcated blade-supporting means |
| CA1102537A (en) | 1977-09-08 | 1981-06-09 | Frank A. Ferraro | Shaving cartridge |
| US4378633A (en) * | 1979-12-07 | 1983-04-05 | The Gillette Company | Razor blade assembly |
| ES2057835T3 (en) * | 1990-09-18 | 1994-10-16 | Kai Ind Co Ltd | BLADE UNIT WITH GUIDE / PROTECTION ELEMENT. |
| GB2265565B (en) | 1992-03-28 | 1995-03-22 | Wilkinson Sword Gmbh | Razor head of a wet razor |
-
1997
- 1997-02-18 GB GBGB9703293.2A patent/GB9703293D0/en active Pending
-
1998
- 1998-02-13 AT AT98905052T patent/ATE222842T1/en not_active IP Right Cessation
- 1998-02-13 RO RO99-00908A patent/RO120325B1/en unknown
- 1998-02-13 ES ES98905052T patent/ES2182269T3/en not_active Expired - Lifetime
- 1998-02-13 KR KR10-1999-7007399A patent/KR100539658B1/en not_active IP Right Cessation
- 1998-02-13 PL PL98335080A patent/PL186889B1/en not_active IP Right Cessation
- 1998-02-13 PT PT98905052T patent/PT1007297E/en unknown
- 1998-02-13 CZ CZ19992686A patent/CZ293915B6/en not_active IP Right Cessation
- 1998-02-13 CA CA002278806A patent/CA2278806C/en not_active Expired - Fee Related
- 1998-02-13 BR BR9807229-3A patent/BR9807229A/en not_active IP Right Cessation
- 1998-02-13 WO PCT/US1998/002675 patent/WO1998035795A1/en active IP Right Grant
- 1998-02-13 DE DE69807495T patent/DE69807495T2/en not_active Expired - Lifetime
- 1998-02-13 ID IDW990866A patent/ID22918A/en unknown
- 1998-02-13 SK SK1033-99A patent/SK285265B6/en not_active IP Right Cessation
- 1998-02-13 TR TR1999/01981T patent/TR199901981T2/en unknown
- 1998-02-13 AU AU62764/98A patent/AU724961B2/en not_active Ceased
- 1998-02-13 RU RU99120073/12A patent/RU2181324C2/en active
- 1998-02-13 EP EP98905052A patent/EP1007297B1/en not_active Expired - Lifetime
- 1998-02-13 UA UA99095166A patent/UA54495C2/en unknown
- 1998-02-13 JP JP53588198A patent/JP4201842B2/en not_active Expired - Lifetime
- 1998-02-13 IL IL13118798A patent/IL131187A/en not_active IP Right Cessation
- 1998-02-13 YU YU38899A patent/YU38899A/en unknown
- 1998-02-13 CN CN98802646A patent/CN1080169C/en not_active Expired - Lifetime
- 1998-02-13 NZ NZ337014A patent/NZ337014A/en unknown
- 1998-02-13 HU HU0002011A patent/HU223834B1/en not_active IP Right Cessation
- 1998-02-16 CO CO98007942A patent/CO4761086A1/en unknown
- 1998-02-18 AR ARP980100710A patent/AR011824A1/en unknown
-
1999
- 1999-08-13 NO NO19993918A patent/NO322846B1/en unknown
-
2000
- 2000-07-19 HK HK00104422A patent/HK1025071A1/en not_active IP Right Cessation
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161227 Address after: Massachusetts USA Patentee after: Gillette Corporation Address before: Massachusetts, USA Patentee before: Gillette Co. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Massachusetts USA Patentee after: Gillette limited liability company Address before: Massachusetts USA Patentee before: Gillette Corporation |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20020306 |