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GB1305939A - - Google Patents

Info

Publication number
GB1305939A
GB1305939A GB1305939DA GB1305939A GB 1305939 A GB1305939 A GB 1305939A GB 1305939D A GB1305939D A GB 1305939DA GB 1305939 A GB1305939 A GB 1305939A
Authority
GB
United Kingdom
Prior art keywords
grooves
grid
produced
crayoning
crayon
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
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 filed Critical
Publication of GB1305939A publication Critical patent/GB1305939A/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
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/20—Curve rulers or templets

Landscapes

  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

1305939 Repeatedly usable writing surfaces PROGRESSIVE NOTIONS Ltd 7 Oct 1971 [6 Nov 1970] 53021/70 Heading B6P A transparent sheet 3 is provided with shallow grooves 5 to guide a crayon. When placed over a grid 2, bar charts and pillar graphs can be readily produced by crayoning the grooves. The grid may be printed on the plastics sheet. When cutting the grooves a roughened writing surface may be produced.
GB1305939D 1970-11-06 1970-11-06 Expired GB1305939A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5302170 1970-11-06

Publications (1)

Publication Number Publication Date
GB1305939A true GB1305939A (en) 1973-02-07

Family

ID=10466310

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1305939D Expired GB1305939A (en) 1970-11-06 1970-11-06

Country Status (1)

Country Link
GB (1) GB1305939A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0101406A1 (en) * 1982-07-16 1984-02-22 Hans Litscher Drawing apparatus for moving technical drawing aids

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0101406A1 (en) * 1982-07-16 1984-02-22 Hans Litscher Drawing apparatus for moving technical drawing aids

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees