JPS527774B2 - - Google Patents
Info
- Publication number
- JPS527774B2 JPS527774B2 JP47115190A JP11519072A JPS527774B2 JP S527774 B2 JPS527774 B2 JP S527774B2 JP 47115190 A JP47115190 A JP 47115190A JP 11519072 A JP11519072 A JP 11519072A JP S527774 B2 JPS527774 B2 JP S527774B2
- Authority
- JP
- Japan
- 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
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
- B43L9/00—Circular curve-drawing or like instruments
- B43L9/16—Features common to compasses, dividers, and callipers
- B43L9/20—Pivots
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7140920A FR2161164A5 (it) | 1971-11-16 | 1971-11-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4862522A JPS4862522A (it) | 1973-08-31 |
| JPS527774B2 true JPS527774B2 (it) | 1977-03-04 |
Family
ID=9085821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47115190A Expired JPS527774B2 (it) | 1971-11-16 | 1972-11-16 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3842508A (it) |
| JP (1) | JPS527774B2 (it) |
| FR (1) | FR2161164A5 (it) |
| GB (1) | GB1373457A (it) |
| IT (1) | IT975742B (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU508333B2 (en) * | 1976-11-19 | 1980-03-20 | Helix Limited | Drawing instrument |
| DE2718627C2 (de) * | 1977-04-27 | 1981-04-16 | Rotring-Werke Riepe Kg, 2000 Hamburg | Zirkelkopf für einen Federbügelzirkel |
| DE4102218C1 (en) * | 1991-01-26 | 1992-06-11 | J. S. Staedtler Gmbh & Co, 8500 Nuernberg, De | Compasses for drawing circles - incorporates clamp mechanism with screw and friction surfaces |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US437411A (en) * | 1890-09-30 | Draftsman s compasses | ||
| US877239A (en) * | 1906-11-28 | 1908-01-21 | Georg Schoenner | Compass-head. |
| US1708191A (en) * | 1927-02-23 | 1929-04-09 | Delco Remy Corp | Locating instrument |
| US3358371A (en) * | 1966-12-07 | 1967-12-19 | Sr Fred H Liesong | Scribing compass or divider |
-
1971
- 1971-11-16 FR FR7140920A patent/FR2161164A5/fr not_active Expired
-
1972
- 1972-11-15 IT IT70588/72A patent/IT975742B/it active
- 1972-11-15 GB GB5280172A patent/GB1373457A/en not_active Expired
- 1972-11-16 US US00307310A patent/US3842508A/en not_active Expired - Lifetime
- 1972-11-16 JP JP47115190A patent/JPS527774B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4862522A (it) | 1973-08-31 |
| DE2255522A1 (de) | 1973-05-24 |
| FR2161164A5 (it) | 1973-07-06 |
| DE2255522B2 (de) | 1976-05-13 |
| IT975742B (it) | 1974-08-10 |
| US3842508A (en) | 1974-10-22 |
| GB1373457A (en) | 1974-11-13 |