FR499367A - Improvement in rulers, squares and drawing instruments - Google Patents

Improvement in rulers, squares and drawing instruments

Info

Publication number
FR499367A
FR499367A FR499367DA FR499367A FR 499367 A FR499367 A FR 499367A FR 499367D A FR499367D A FR 499367DA FR 499367 A FR499367 A FR 499367A
Authority
FR
France
Prior art keywords
rulers
squares
improvement
drawing instruments
instruments
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
Albert-Elisee Charrier
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.)
ALBERT ELISEE CHARRIER
Original Assignee
ALBERT ELISEE CHARRIER
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 ALBERT ELISEE CHARRIER filed Critical ALBERT ELISEE CHARRIER
Application granted granted Critical
Publication of FR499367A publication Critical patent/FR499367A/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
    • B43L7/00—Straightedges
FR499367D 1919-05-10 1919-05-10 Improvement in rulers, squares and drawing instruments Expired FR499367A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR499367T 1919-05-10

Publications (1)

Publication Number Publication Date
FR499367A true FR499367A (en) 1920-02-10

Family

ID=1534421

Family Applications (1)

Application Number Title Priority Date Filing Date
FR499367D Expired FR499367A (en) 1919-05-10 1919-05-10 Improvement in rulers, squares and drawing instruments

Country Status (1)

Country Link
FR (1) FR499367A (en)

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