File:Patent-US-1980508.pdf
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Original file (1,159 × 1,704 pixels, file size: 341 KB, MIME type: application/pdf, 6 pages)
Dettagli
| Inventor |
Ivan D. Tefft |
|---|---|
| Assignee |
The Parker Pen Company |
| Country |
US |
| Application N° |
636436 |
| Application Date |
1932-10-06 |
| Patent N° |
1980508 |
| Brevettato |
1934-11-13 |
| Priorità |
1932-10-06 |
| Brand | |
| Title |
Fountain pen filling device |
| Description |
Riferimenti esterni
Informazioni
Brevetto per il caricamento Vacumatic, prima versione prodotta, con pulsante bloccabile in posizione premuta (la versione detta lockdown). Riferimenti a nº US-802668 e nº US-1904358. Stessa invenzione di nº GB-417546. Stessa invenzione di nº NL-34143. Stessa invenzione di nº BE-398712.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:51, 31 July 2012 |  | 1,159 × 1,704, 6 pages (341 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Ivan D. Tefft |Assignee=Parker Pen Company |Country=US |ApplicationNum=636436 |ApplicationDate=1932-10-06 |PatentNum=1980508 |PatentDate=1934-11-13 |PriorityDate=1932-10-06 |Titolo=Fountain pen filling device |Marca=Parker |Descr... |
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