File:Patent-US-2517522.pdf
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Original file (1,159 × 1,704 pixels, file size: 165 KB, MIME type: application/pdf, 3 pages)
Dettagli
| Inventor |
Yves Zuber |
|---|---|
| Assignee |
Etablissement Stylomine |
| Country |
US |
| Application N° |
764723 |
| Application Date |
1947-07-30 |
| Patent N° |
2517522 |
| Brevettato |
1950-08-01 |
| Priorità |
1946-04-11 |
| Brand | |
| Title |
Slider for propelling pencils with several leads |
| Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per una matita meccanica multipla. Riferimenti a nº US-2140653. Priorità dal brevetto francese, anche se esso sembra essere leggermente diverso. Stessa invenzione di nº FR-926468. Stessa invenzione di nº GB-638420. Stessa invenzione di nº CH-259468. Stessa invenzione di nº BE-472348.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:50, 19 October 2012 |  | 1,159 × 1,704, 3 pages (165 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Yves Zuber |Assignee=Etablissement Stylomine |Country=FR |ApplicationNum=764723 |ApplicationDate=1947-07-30 |PatentNum=2517522 |PatentDate=1950-08-01 |PriorityDate=1946-04-11 |Titolo=Slider for propelling pencils with several lea... |
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