FR945193A - Appareil à tracer des hachures - Google Patents

Appareil à tracer des hachures

Info

Publication number: FR945193A
Authority: FR; France
Prior art keywords: hatching device; hatching
Prior art date: 1946-01-30
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

Inventor

Georges Baer

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.)

1946-01-30

Filing date

1947-04-15

Publication date

1949-04-27

1947-04-15 Application filed filed Critical

1949-04-27 Application granted granted Critical

1949-04-27 Publication of FR945193A publication Critical patent/FR945193A/fr

Status Expired legal-status Critical Current

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
- 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

FR945193D 1946-01-30 1947-04-15 Appareil à tracer des hachures Expired FR945193A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH255726T		1946-01-30

Publications (1)

Publication Number	Publication Date
FR945193A true FR945193A (fr)	1949-04-27

Family

ID=4471291

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR945193D Expired FR945193A (fr)	1946-01-30	1947-04-15	Appareil à tracer des hachures

Country Status (4)

Country	Link
US (1)	US2453356A (fr)
CH (1)	CH255726A (fr)
FR (1)	FR945193A (fr)
GB (1)	GB628144A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3287809A (en) *	1964-08-05	1966-11-29	Ampex	Drafting instrument

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US393290A (en) *		1888-11-20		Scale-divider and section-ljner
US141029A (en) *		1873-07-22		Improvement in parallel rulers
US740871A (en) *	1902-08-26	1903-10-06	Richard Kastmann	Section-liner.

1946
- 1946-01-30 CH CH255726D patent/CH255726A/fr unknown
- 1946-06-27 US US679699A patent/US2453356A/en not_active Expired - Lifetime
1947
- 1947-01-20 GB GB1754/47A patent/GB628144A/en not_active Expired
- 1947-04-15 FR FR945193D patent/FR945193A/fr not_active Expired

Also Published As

Publication number	Publication date
US2453356A (en)	1948-11-09
GB628144A (en)	1949-08-23
CH255726A (fr)	1948-07-15

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