FR516013A - Perfectionnements aux instruments de dessin - Google Patents

Perfectionnements aux instruments de dessin

Info

Publication number
FR516013A
FR516013A FR516013A FR516013DA FR516013A FR 516013 A FR516013 A FR 516013A FR 516013 A FR516013 A FR 516013A FR 516013D A FR516013D A FR 516013DA FR 516013 A FR516013 A FR 516013A
Authority
FR
France
Prior art keywords
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
FR516013A
Other languages
English (en)
Inventor
Charles Muller
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR516013A publication Critical patent/FR516013A/fr
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
    • B43L13/02—Draughting machines or drawing devices for keeping parallelism
    • B43L13/04—Guides for rulers
    • B43L13/06—Guides for rulers with pivoted guide rods
    • 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
    • B43L13/02—Draughting machines or drawing devices for keeping parallelism
FR516013A 1919-04-16 1920-05-26 Perfectionnements aux instruments de dessin Expired FR516013A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH82798T 1919-04-16
CH83799T 1919-04-16
GB10531/20A GB152932A (en) 1919-04-16 1920-04-15 Improvements in or relating to drawing apparatus

Publications (1)

Publication Number Publication Date
FR516013A true FR516013A (fr) 1921-04-12

Family

ID=9969535

Family Applications (1)

Application Number Title Priority Date Filing Date
FR516013A Expired FR516013A (fr) 1919-04-16 1920-05-26 Perfectionnements aux instruments de dessin

Country Status (3)

Country Link
CH (2) CH82798A (fr)
FR (1) FR516013A (fr)
GB (1) GB152932A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3950853A (en) * 1975-02-12 1976-04-20 Andrew William H Track type drafting machine

Also Published As

Publication number Publication date
CH83799A (de) 1920-05-17
CH82798A (de) 1920-04-01
GB152932A (en) 1920-10-28

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