File:Patent-GB-623792.pdf
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Dettagli
| Inventor |
Roger François Perraud |
|---|---|
| Assignee |
A. J. Fagard & C.ie |
| Country |
GB |
| Application N° |
9788/47 |
| Application Date |
1947-04-12 |
| Patent N° |
623792 |
| Brevettato |
1949-05-23 |
| Priorità |
1946-04-15 |
| Brand | |
| Title |
Improved propelling pencil |
| Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per una matita meccanica. Priorità dal brevetto francese. Stessa invenzione di nº FR-1001319. Stessa invenzione di nº US-2526268. Stessa invenzione di nº CH-259145. Stessa invenzione di nº BE-472541.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:17, 28 November 2013 |  | 1,295 × 1,752, 3 pages (204 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Roger François Perraud |Assignee=A. J. Fagard & C.ie |Country=GB |ApplicationNum=9788/47 |ApplicationDate=1947-04-12 |PatentNum=623792 |PatentDate=1949-05-23 |PriorityDate=1946-04-15 |Titolo=Improved propelling pencil |Marca=JiF... |
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