NL72217C - - Google Patents
Info
- Publication number
- NL72217C NL72217C NL72217DA NL72217C NL 72217 C NL72217 C NL 72217C NL 72217D A NL72217D A NL 72217DA NL 72217 C NL72217 C NL 72217C
- Authority
- NL
- Netherlands
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
- B43L7/04—Straightedges with rollers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
- Drawing Aids And Blackboards (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE683880X | 1949-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL72217C true NL72217C (ru) |
Family
ID=6597478
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL72217D NL72217C (ru) | 1949-11-14 | ||
| NL78332D NL78332C (ru) | 1949-11-14 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL78332D NL78332C (ru) | 1949-11-14 |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH290612A (ru) |
| DE (1) | DE824003C (ru) |
| FR (1) | FR1037267A (ru) |
| GB (1) | GB683880A (ru) |
| NL (2) | NL78332C (ru) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1110018A (fr) * | 1954-08-23 | 1956-02-06 | Dispositif de règle de bureau | |
| 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
- DE DENDAT824003D patent/DE824003C/de not_active Expired
- NL NL72217D patent/NL72217C/xx active
- NL NL78332D patent/NL78332C/xx active
-
1950
- 1950-11-07 GB GB27175/50A patent/GB683880A/en not_active Expired
-
1951
- 1951-04-21 CH CH290612D patent/CH290612A/de unknown
- 1951-05-18 FR FR1037267D patent/FR1037267A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1037267A (fr) | 1953-09-15 |
| NL78332C (ru) | |
| GB683880A (en) | 1952-12-03 |
| DE824003C (de) | 1951-10-31 |
| CH290612A (de) | 1953-05-15 |