GB317859A - Improvements in and relating to methods of making electric lamps - Google Patents
Improvements in and relating to methods of making electric lampsInfo
- Publication number
- GB317859A GB317859A GB25716/29A GB2571629A GB317859A GB 317859 A GB317859 A GB 317859A GB 25716/29 A GB25716/29 A GB 25716/29A GB 2571629 A GB2571629 A GB 2571629A GB 317859 A GB317859 A GB 317859A
- Authority
- GB
- United Kingdom
- Prior art keywords
- base
- bulb
- open end
- filament
- pins
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
- H01K3/16—Joining of caps to vessel
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US302096A US1769840A (en) | 1928-08-25 | 1928-08-25 | Method of making electric lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB317859A true GB317859A (en) | 1930-04-17 |
Family
ID=23166238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB25716/29A Expired GB317859A (en) | 1928-08-25 | 1929-08-23 | Improvements in and relating to methods of making electric lamps |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1769840A (fr) |
| BE (1) | BE363255A (fr) |
| FR (1) | FR680316A (fr) |
| GB (1) | GB317859A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB869714A (en) * | 1958-12-17 | 1961-06-07 | Mullard Ltd | Travelling-wave tubes |
| CN103985626A (zh) * | 2014-05-30 | 2014-08-13 | 德清县升星照明电器有限公司 | 一种旋转式流水线的灯泡支架 |
| CN103972043A (zh) * | 2014-05-30 | 2014-08-06 | 德清县升星照明电器有限公司 | 一种灯泡卡座机构 |
-
0
- BE BE363255D patent/BE363255A/xx unknown
-
1928
- 1928-08-25 US US302096A patent/US1769840A/en not_active Expired - Lifetime
-
1929
- 1929-08-14 FR FR680316D patent/FR680316A/fr not_active Expired
- 1929-08-23 GB GB25716/29A patent/GB317859A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE363255A (fr) | |
| FR680316A (fr) | 1930-04-28 |
| US1769840A (en) | 1930-07-01 |
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