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GB1340602A - Drawing instruments - Google Patents

Drawing instruments

Info

Publication number
GB1340602A
GB1340602A GB2659571A GB2659571A GB1340602A GB 1340602 A GB1340602 A GB 1340602A GB 2659571 A GB2659571 A GB 2659571A GB 2659571 A GB2659571 A GB 2659571A GB 1340602 A GB1340602 A GB 1340602A
Authority
GB
United Kingdom
Prior art keywords
edges
ruling
square
drawing instruments
instruments
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
Application number
GB2659571A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ILCA IND LAVORAZIONE CORNO ART
Original Assignee
ILCA IND LAVORAZIONE CORNO ART
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ILCA IND LAVORAZIONE CORNO ART filed Critical ILCA IND LAVORAZIONE CORNO ART
Publication of GB1340602A publication Critical patent/GB1340602A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L7/00—Straightedges
    • B43L7/027—Plural non-adjustable straightedges fixed at right angles
    • B43L7/0275—Triangles

Landscapes

  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Paper (AREA)

Abstract

1340602 Drawing instruments ILCA INDUSTRIA LAVORAZIONE CORNO ARTIFICIALE 19 April 1971 [11 Nov 1970] 26595/71 Heading B6P [Also in Division G1] A drawing instrument 1, e.g. a set square, T- square or ruler, comprises at least one ruling edge 3 and an under surface 6 carrying at least one fixed projection 11 for supporting the undersurface in a plane spaced from a drawing surface so that all the ruling edges and no other edges can engage the drawing surface.
GB2659571A 1970-11-11 1971-04-19 Drawing instruments Expired GB1340602A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT3160070 1970-11-11

Publications (1)

Publication Number Publication Date
GB1340602A true GB1340602A (en) 1973-12-12

Family

ID=11233816

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2659571A Expired GB1340602A (en) 1970-11-11 1971-04-19 Drawing instruments

Country Status (3)

Country Link
DE (1) DE2107762A1 (en)
FR (1) FR2075475A5 (en)
GB (1) GB1340602A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102358096A (en) * 2011-08-30 2012-02-22 崔守孝 Equal dividing ruler for straight line

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102358096A (en) * 2011-08-30 2012-02-22 崔守孝 Equal dividing ruler for straight line

Also Published As

Publication number Publication date
FR2075475A5 (en) 1971-10-08
DE2107762A1 (en) 1972-05-18

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees