File:Patent-US-2784699.pdf
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Original file (1,159 × 1,704 pixels, file size: 285 KB, MIME type: application/pdf, 4 pages)
Dettagli
| Inventor |
Craig R. Sheaffer |
|---|---|
| Assignee |
W. A. Sheaffer Pen Company |
| Country |
US |
| Application N° |
319031 |
| Application Date |
1952-11-06 |
| Patent N° |
2784699 |
| Brevettato |
1957-03-12 |
| Priorità |
1952-11-06 |
| Brand | |
| Title |
Writing implements |
| Description |
Riferimenti esterni
Informazioni
Brevetto per un particolare sistema di caricamento costituito da una sorta di incrocio dello snorkel con il caricamento a capillarità, di non si conosce comunque alcuna messa in produzione. Riferimenti a nº US-1567527, nº US-2462929, nº US-2522554, nº US-2603189, nº US-2648309 e nº US-2670711; ed inoltre nº GB-642437.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:55, 9 July 2012 |  | 1,159 × 1,704, 4 pages (285 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Craig R. Sheaffer |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=319031 |ApplicationDate=1952-11-06 |PatentNum=2784699 |PatentDate=1959-03-12 |PriorityDate=1952-11-06 |Titolo=Writing implements |Marca=Sheaffer |... |
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