File:Patent-US-2304832.pdf
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Original file (1,159 × 1,704 pixels, file size: 332 KB, MIME type: application/pdf, 5 pages)
Dettagli
| Inventor |
Harry C. Kofke, Henry C. Klagges |
|---|---|
| Assignee |
The Estrerbrook Pen Company |
| Country |
US |
| Application N° |
350320 |
| Application Date |
1940-08-03 |
| Patent N° |
2304832 |
| Brevettato |
1942-12-15 |
| Priorità |
1940-08-03 |
| Brand | |
| Title |
Ink feeding means for writing pens |
| Description |
Calamaio con serbatoio di inchiostro |
Riferimenti esterni
Informazioni
Brevetto per un calamaio con serbatoio di inchiostro, con meccanismo di distribuzione dell'inchiostro verso la punta della penna. Fa riferimento a richiesta n° 68485 del 1948-12-31 di cui questo brevetto sarebbe una continuazione. Precursore della Dip-Less.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:17, 13 December 2020 |  | 1,159 × 1,704, 5 pages (332 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Harry C. Kofke, Henry C. Klagges |Assignee=The Estrerbrook Pen Company |Country=US |ApplicationNum=350320 |ApplicationDate=1940-08-03 |PatentNum=2304832 |PatentDate=1942-12-15 |PriorityDate=1940-08-03 |Titolo=Ink feeding means f... |
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