GB1184127A - Set Square - Google Patents

Set Square

Info

Publication number
GB1184127A
GB1184127A GB3451768A GB3451768A GB1184127A GB 1184127 A GB1184127 A GB 1184127A GB 3451768 A GB3451768 A GB 3451768A GB 3451768 A GB3451768 A GB 3451768A GB 1184127 A GB1184127 A GB 1184127A
Authority
GB
United Kingdom
Prior art keywords
opening
degrees angle
angle
bisectors
marked
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
GB3451768A
Inventor
Pierre Lagrosse
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
Priority claimed from FR21952A external-priority patent/FR1534391A/en
Application filed by Individual filed Critical Individual
Publication of GB1184127A publication Critical patent/GB1184127A/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

  • Drawing Aids And Blackboards (AREA)

Abstract

1,184,127. Set squares. P. LAGROSSE. July 19, 1968 [Aug. 31, 1967], No.34517/68. Heading G1X. A set square comprises a plane sheet-like body having four linear sides and defining a 90 degrees angle 1, a 60 degrees angle 2 and a 45 degrees angle 3, the sides 4, 5 defining the angle 1 being marked with a logarithmic scale and a linear scale respectively, the body also including slots 9, 10 disposed along the bisectors of the angles 2, 3, and a circular opening 11 for a removable circular protractor the centre of the opening 11 being disposed at the inter-section of the bisectors of the angles 1, 2, 3, the body being marked with a degree scale 12 about the circumference of the opening 11. Quadrant markings 17, 18, 19, 20 are also provided round the opening 11 and lines normal to the slots 9, 10 these being tangential to the circular opening 11.
GB3451768A 1967-08-31 1968-07-19 Set Square Expired GB1184127A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR21952A FR1534391A (en) 1966-08-29 1967-08-31 Knitting needle with spring or blade attached directly to the needle and its manufacturing process

Publications (1)

Publication Number Publication Date
GB1184127A true GB1184127A (en) 1970-03-11

Family

ID=9678812

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3451768A Expired GB1184127A (en) 1967-08-31 1968-07-19 Set Square

Country Status (1)

Country Link
GB (1) GB1184127A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2131345A (en) * 1982-12-03 1984-06-20 John Stanley Holden Cutter or scribe jig
GB2274518A (en) * 1993-01-23 1994-07-27 David Alan Milstead A set square
US11353310B2 (en) 2020-06-12 2022-06-07 Ashton Travis Johnson Tile square

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2131345A (en) * 1982-12-03 1984-06-20 John Stanley Holden Cutter or scribe jig
GB2274518A (en) * 1993-01-23 1994-07-27 David Alan Milstead A set square
US11353310B2 (en) 2020-06-12 2022-06-07 Ashton Travis Johnson Tile square

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee