FR1077876A - Improvements made to drawing instruments, in particular to graduated rulers, squares, protractors, hatchers, titrators - Google Patents

Improvements made to drawing instruments, in particular to graduated rulers, squares, protractors, hatchers, titrators

Info

Publication number
FR1077876A
FR1077876A FR1077876DA FR1077876A FR 1077876 A FR1077876 A FR 1077876A FR 1077876D A FR1077876D A FR 1077876DA FR 1077876 A FR1077876 A FR 1077876A
Authority
FR
France
Prior art keywords
hatchers
titrators
protractors
squares
improvements made
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
Ricardo Carlos Humbert
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 FR1077876A publication Critical patent/FR1077876A/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
    • B43L7/027—Plural non-adjustable straightedges fixed at right angles
FR1077876D 1953-05-28 1953-05-28 Improvements made to drawing instruments, in particular to graduated rulers, squares, protractors, hatchers, titrators Expired FR1077876A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1077876T 1953-05-28

Publications (1)

Publication Number Publication Date
FR1077876A true FR1077876A (en) 1954-11-12

Family

ID=9608397

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1077876D Expired FR1077876A (en) 1953-05-28 1953-05-28 Improvements made to drawing instruments, in particular to graduated rulers, squares, protractors, hatchers, titrators

Country Status (1)

Country Link
FR (1) FR1077876A (en)

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