NL72217C - - Google Patents

Info

Publication number: NL72217C
Authority: NL; Netherlands

Application number

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.)

1949-11-14

Publication of NL72217C publication Critical patent/NL72217C/xx

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
- B43L7/04—Straightedges with rollers

NL72217D 1949-11-14 NL72217C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE683880X		1949-11-14

Publications (1)

Publication Number	Publication Date
NL72217C true NL72217C (en)

Family

ID=6597478

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL72217D NL72217C (en)	1949-11-14
NL78332D NL78332C (en)	1949-11-14

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL78332D NL78332C (en)	1949-11-14

Country Status (5)

Country	Link
CH (1)	CH290612A (en)
DE (1)	DE824003C (en)
FR (1)	FR1037267A (en)
GB (1)	GB683880A (en)
NL (2)	NL78332C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1110018A (en) *	1954-08-23	1956-02-06		Desktop ruler device
GB2118105B (en) *	1982-04-08	1985-09-04	Graeme Peter Sagar	Drawing implements
US4586265A (en) *	1984-10-29	1986-05-06	Hopkins William G	Perspective drawing apparatus
GB2180799A (en) *	1985-09-23	1987-04-08	Ahmad Tun Syed Nasir Syed	Ruler

0
- NL NL72217D patent/NL72217C/xx active
- NL NL78332D patent/NL78332C/xx active
- DE DENDAT824003D patent/DE824003C/en not_active Expired
1950
- 1950-11-07 GB GB27175/50A patent/GB683880A/en not_active Expired
1951
- 1951-04-21 CH CH290612D patent/CH290612A/en unknown
- 1951-05-18 FR FR1037267D patent/FR1037267A/en not_active Expired

Also Published As

Publication number	Publication date
NL78332C (en)
GB683880A (en)	1952-12-03
DE824003C (en)	1951-10-31
FR1037267A (en)	1953-09-15
CH290612A (en)	1953-05-15

Publication	Publication Date	Title
IT495111A (en)
AT166754B (en)	1950-09-25
AT193848B (en)	1957-12-10
FR953897A (en)	1949-12-15
FR942167A (en)	1949-02-28
BE487723A (en)
BE487428A (en)
NL77203C (en)
BE488426A (en)
BE497164A (en)
NL73735C (en)
NL73499C (en)
NL71015C (en)
NL157857C (en)
BE495016A (en)
BE494641A (en)
BE493863A (en)
BE155588A (en)
BE493485A (en)
BE491546A (en)
BE488550A (en)
BE488514A (en)
BE488341A (en)
BE488446A (en)
BE487748A (en)