GB2085810B - Improvements in or relating to proportional calipers - Google Patents

Improvements in or relating to proportional calipers

Info

Publication number
GB2085810B
GB2085810B GB8033929A GB8033929A GB2085810B GB 2085810 B GB2085810 B GB 2085810B GB 8033929 A GB8033929 A GB 8033929A GB 8033929 A GB8033929 A GB 8033929A GB 2085810 B GB2085810 B GB 2085810B
Authority
GB
United Kingdom
Prior art keywords
calipers
proportional
relating
proportional calipers
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
GB8033929A
Other versions
GB2085810A (en
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.)
LEVIN EDWIN ISAAC
Original Assignee
LEVIN EDWIN ISAAC
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 LEVIN EDWIN ISAAC filed Critical LEVIN EDWIN ISAAC
Priority to GB8033929A priority Critical patent/GB2085810B/en
Publication of GB2085810A publication Critical patent/GB2085810A/en
Application granted granted Critical
Publication of GB2085810B publication Critical patent/GB2085810B/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
    • B43L9/00—Circular curve-drawing or like instruments
    • B43L9/08—Proportional compasses or dividers
GB8033929A 1980-10-21 1980-10-21 Improvements in or relating to proportional calipers Expired GB2085810B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8033929A GB2085810B (en) 1980-10-21 1980-10-21 Improvements in or relating to proportional calipers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8033929A GB2085810B (en) 1980-10-21 1980-10-21 Improvements in or relating to proportional calipers

Publications (2)

Publication Number Publication Date
GB2085810A GB2085810A (en) 1982-05-06
GB2085810B true GB2085810B (en) 1984-06-27

Family

ID=10516808

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8033929A Expired GB2085810B (en) 1980-10-21 1980-10-21 Improvements in or relating to proportional calipers

Country Status (1)

Country Link
GB (1) GB2085810B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2380455A (en) 2001-07-17 2003-04-09 Ronald Goldie Proportioning device and imaging aid.
US6854196B2 (en) * 2003-06-03 2005-02-15 L. J. Smith, Inc. Adjustable baluster spacer tool
US7043849B1 (en) * 2005-02-03 2006-05-16 Delmar Laurence Leger Multifunction caliper instrument for the arts
JP2017019160A (en) * 2015-07-09 2017-01-26 孝典 枝窪 Equal ratio division device (device for drawing perspective line having disappearance point outside page space in illustration of funny picture and so on)
JP1648222S (en) * 2019-02-22 2019-12-16

Also Published As

Publication number Publication date
GB2085810A (en) 1982-05-06

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19940830

PCNP Patent ceased through non-payment of renewal fee

Effective date: 19991021