File:Patent-US-2136290.pdf
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Dettagli
| Inventor |
Kurt Fend |
|---|---|
| Assignee |
Kurt Fend |
| Country |
US |
| Application N° |
83394 |
| Application Date |
1936-06-03 |
| Patent N° |
2136290 |
| Brevettato |
1938-11-08 |
| Priorità |
1935-06-11 |
| Brand | |
| Title |
Interchangeable lead pencil |
| Description |
Matita meccanica multipla |
Riferimenti esterni
Informazioni
Brevetto per una matita meccanica multipla. Priorità dal brevetto tedesco, in data del giorno prima. Stessa invenzione di nº DE-652024. Stessa invenzione di nº FR-807275. Stessa invenzione di nº GB-474736. Stessa invenzione di nº CH-193646. Stessa invenzione di nº AT-149225.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:21, 12 December 2013 |  | 1,159 × 1,704, 5 pages (265 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Kurt Fend |Assignee=Kurt Fend |Country=FR |ApplicationNum=83394 |ApplicationDate=1936-06-03 |PatentNum=2136290 |PatentDate=1938-11-08 |PriorityDate=1935-06-11 |Titolo= Interchangeable lead pencil |Marca=Fend |Descrizione=Matita ... |
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