FR842139A - Hatching ruler - Google Patents

Hatching ruler

Info

Publication number
FR842139A
FR842139A FR842139DA FR842139A FR 842139 A FR842139 A FR 842139A FR 842139D A FR842139D A FR 842139DA FR 842139 A FR842139 A FR 842139A
Authority
FR
France
Prior art keywords
hatching
ruler
hatching ruler
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
Other languages
French (fr)
Inventor
Paul Fortier-Beaulieu
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
Application granted granted Critical
Publication of FR842139A publication Critical patent/FR842139A/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
    • B43L13/24—Devices for generating stepwise movements of drawing equipment, e.g. for hatching
FR842139D 1938-02-08 1938-02-08 Hatching ruler Expired FR842139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR842139T 1938-02-08

Publications (1)

Publication Number Publication Date
FR842139A true FR842139A (en) 1939-06-06

Family

ID=9311282

Family Applications (1)

Application Number Title Priority Date Filing Date
FR842139D Expired FR842139A (en) 1938-02-08 1938-02-08 Hatching ruler

Country Status (1)

Country Link
FR (1) FR842139A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2513404A (en) * 1947-10-31 1950-07-04 Maria Fernando M Di Crosshatching device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2513404A (en) * 1947-10-31 1950-07-04 Maria Fernando M Di Crosshatching device

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