File:Patent-US-1798046.pdf
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Dettagli
| Inventor |
George Sweetser |
|---|---|
| Assignee |
The Mentmore Manufacturing Company Limited |
| Country |
US |
| Application N° |
406332 |
| Application Date |
1929-11-11 |
| Patent N° |
1798046 |
| Brevettato |
1931-03-24 |
| Priorità |
1928-12-10 |
| Brand | |
| Title |
Self-filling sac pen |
| Description |
Sistema di caricamento |
Riferimenti esterni
Informazioni
Brevetto per un sistema di caricamento a sfiatatoio piuttosto complesso. Priorità dal brevetto inglese. Stessa invenzione di nº GB-326242. Stessa invenzione di nº DE-556766. Stessa invenzione di nº FR-686153. Stessa invenzione di nº CH-146581. Stessa invenzione di nº CA-309938.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:44, 30 June 2012 |  | 1,159 × 1,704, 3 pages (196 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=George Sweetser |Assignee=The Mentmore Manufacturing Company Limited |Country=US |ApplicationNum=406332 |ApplicationDate=1929-11-11 |PatentNum=1798046 |PatentDate=1931-03-24 |PriorityDate=1928-12-10 |Titolo=Self-filling sac pen |... |
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