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
GB10725/54A
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 IndividualfiledCriticalIndividual
Publication of GB754960ApublicationCriticalpatent/GB754960A/en
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
B43L7/02—T-squares and other similar squares
Landscapes
Sheet Holders
(AREA)
Clamps And Clips
(AREA)
Abstract
754,960. Drawing instruments. PORTE, A. P. R. April 12, 1954 [May 4, 1953], No. 10725/64. Class 97 (3). A Tee-square 3 is provided with a spring clip 7 ... 10, the outer end 10 of which is slidably and resiliently engaged and positively retained against a drawing board 1 by a retaining formation, e.g. the groove 5, or a member, e.g. an angle strip extending along the edge of the board.
GB10725/54A1953-05-041954-04-12Improvements in tee-squares
ExpiredGB754960A
(en)