GB1533349A - Drawing instrument - Google Patents

Drawing instrument

Info

Publication number
GB1533349A
GB1533349A GB2429577A GB2429577A GB1533349A GB 1533349 A GB1533349 A GB 1533349A GB 2429577 A GB2429577 A GB 2429577A GB 2429577 A GB2429577 A GB 2429577A GB 1533349 A GB1533349 A GB 1533349A
Authority
GB
United Kingdom
Prior art keywords
compasses
dividers
legs
drawing instrument
helix
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
GB2429577A
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.)
Helix International Ltd
Original Assignee
Helix International Ltd
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 GB26952/76A external-priority patent/GB1526566A/en
Application filed by Helix International Ltd filed Critical Helix International Ltd
Priority to GB2429577A priority Critical patent/GB1533349A/en
Publication of GB1533349A publication Critical patent/GB1533349A/en
Priority to MY8000034A priority patent/MY8000034A/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
    • B43L9/16—Features common to compasses, dividers, and callipers
    • B43L9/24—Means for mounting points or writing appliances on legs

Landscapes

  • Ultra Sonic Daignosis Equipment (AREA)

Abstract

1533349 Compasses and dividers HELIX INTERNATIONAL Ltd 27 June 1977 [19 Nov 1976] 24295/77 Heading B6P Stops 25 on compasses or dividers head 16 engage legs 1, 5 at the limits of their travel, so protecting co-operating projections 10, 13 and arcuate slots 11, 14 from being damaged when the legs are fully opened.
GB2429577A 1976-06-29 1977-06-27 Drawing instrument Expired GB1533349A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2429577A GB1533349A (en) 1976-06-29 1977-06-27 Drawing instrument
MY8000034A MY8000034A (en) 1976-06-29 1980-12-31 A drawing instrument

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB26952/76A GB1526566A (en) 1976-06-29 1976-06-29 Drawing compass
GB2429577A GB1533349A (en) 1976-06-29 1977-06-27 Drawing instrument

Publications (1)

Publication Number Publication Date
GB1533349A true GB1533349A (en) 1978-11-22

Family

ID=26257038

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2429577A Expired GB1533349A (en) 1976-06-29 1977-06-27 Drawing instrument

Country Status (2)

Country Link
GB (1) GB1533349A (en)
MY (1) MY8000034A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2153306A (en) * 1984-01-27 1985-08-21 Geometry International Limited Improvements relating to compasses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2153306A (en) * 1984-01-27 1985-08-21 Geometry International Limited Improvements relating to compasses

Also Published As

Publication number Publication date
MY8000034A (en) 1980-12-31

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19970626