GB569834A - An improved rule, set-square, straight-edge or the like - Google Patents

An improved rule, set-square, straight-edge or the like

Info

Publication number
GB569834A
GB569834A GB1683043A GB1683043A GB569834A GB 569834 A GB569834 A GB 569834A GB 1683043 A GB1683043 A GB 1683043A GB 1683043 A GB1683043 A GB 1683043A GB 569834 A GB569834 A GB 569834A
Authority
GB
United Kingdom
Prior art keywords
square
straight
rule
edge
contact
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
GB1683043A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1683043A priority Critical patent/GB569834A/en
Publication of GB569834A publication Critical patent/GB569834A/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

Landscapes

  • Finger-Pressure Massage (AREA)
  • Cookers (AREA)

Abstract

569,834. Rulers; set - squares, straight - edges, &c. MARTIN, R. Oct. 13, 1943, No. 16830. [Class 97 (iii)] A draughtsman's rule, set-square, straightedge or like instrument decreases in thickness from or near the ends of its working edges towards the middle and is sufficiently flexible to permit the user to press its under-face into contact with the supporting surface. In Fig. 3 is shown a rule pressed into contact with a supporting surface 15. A set-square is shown in Fig. 5, having the central portion (indicated by broken lines 23, 24, 25) of reduced thickness.
GB1683043A 1943-10-13 1943-10-13 An improved rule, set-square, straight-edge or the like Expired GB569834A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1683043A GB569834A (en) 1943-10-13 1943-10-13 An improved rule, set-square, straight-edge or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1683043A GB569834A (en) 1943-10-13 1943-10-13 An improved rule, set-square, straight-edge or the like

Publications (1)

Publication Number Publication Date
GB569834A true GB569834A (en) 1945-06-11

Family

ID=10084448

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1683043A Expired GB569834A (en) 1943-10-13 1943-10-13 An improved rule, set-square, straight-edge or the like

Country Status (1)

Country Link
GB (1) GB569834A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4669197A (en) * 1983-03-26 1987-06-02 Griew David C L Drawing aid
GB2351705A (en) * 1998-09-11 2001-01-10 Nobuaki Iso A non-slip ruler with anti-slip members activated by depressing a spring

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4669197A (en) * 1983-03-26 1987-06-02 Griew David C L Drawing aid
GB2351705A (en) * 1998-09-11 2001-01-10 Nobuaki Iso A non-slip ruler with anti-slip members activated by depressing a spring
GB2351705B (en) * 1998-09-11 2004-03-31 Nobuaki Iso Ruler device

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