File:Patent-US-2104638.pdf
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Dettagli
| Inventor |
William R. Cuthbert |
|---|---|
| Assignee |
W. A. Sheaffer Pen Company |
| Country |
US |
| Application N° |
80226 |
| Application Date |
1936-05-18 |
| Patent N° |
2104638 |
| Brevettato |
1938-01-04 |
| Priorità |
1936-05-18 |
| Brand | |
| Title |
Fountain pen |
| Description |
Blocco afflusso inchiostro |
Riferimenti esterni
Informazioni
Brevetto per un meccanismo di blocco dell'afflusso di inchiostro al pennino, analogo all'Ink Shut-off della Eversharp, non ne è nota una realizzazione.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:08, 14 July 2012 |  | 1,159 × 1,704, 4 pages (256 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=William R. Cuthbert |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=80226 |ApplicationDate=1936-05-18 |PatentNum=2104638 |PatentDate=1938-01-04 |PriorityDate=1936-05-18 |Titolo=Fountain pen |Marca=Sheaffer |Descr... |
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