File:Patent-US-764227.pdf
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Original file (1,159 × 1,704 pixels, file size: 135 KB, MIME type: application/pdf, 3 pages)
| Inventor |
August Eberstein |
|---|---|
| Assignee |
August Eberstein, Charles Brandt |
| Country |
US |
| Application N° |
204198 |
| Application Date |
1904-04-21 |
| Patent N° |
764227 |
| Brevettato |
1904-07-05 |
| Priorità |
1904-04-21 |
| Brand | |
| Title |
Fountain pen |
| Description |
Cappuccio a tenuta |
Riferimenti esterni
Informazioni
Brevetto di un cappuccio di sicurezza, dotato di un controcappuccio con rientro conico per una chiusura sulla sezione che isoli il pennino garantendo la tenuta ed impedendo le perdite.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:07, 23 June 2012 |  | 1,159 × 1,704, 3 pages (135 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=August Eberstein |Assignee=August Eberstein, Charles Brandt |Country=US |ApplicationNum=204198 |ApplicationDate=1904-04-21 |PatentNum=764227 |PatentDate=1904-07-05 |PriorityDate=1904-04-21 |Titolo=Fountain pen |Marca=Boston Pen C... |
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