File:Patent-US-2123110.pdf
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Dettagli
| Inventor |
William F. Johnson |
|---|---|
| Assignee |
The Mentmore Manufacturing Co. Limited |
| Country |
US |
| Application N° |
154287 |
| Application Date |
1937-06-01 |
| Patent N° |
2123110 |
| Brevettato |
1938-07-05 |
| Priorità |
1936-06-06 |
| Brand | |
| Title |
Self-filling fountain pen |
| Description |
Sistema di caricamento |
Riferimenti esterni
Informazioni
Brevetto per una variante di sistema di caricamento a sfiatatoio in cui la depressione viene ottenuta con un meccanismo simile al Touch Down che opera sulla pompetta. Priorità dal brevetto inglese. Stessa invenzione di nº GB-475970. Stessa invenzione di nº FR-822628. Stessa invenzione di nº CA-382339.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:38, 17 July 2012 |  | 1,159 × 1,704, 3 pages (123 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=William F. Johnson |Assignee=The Mentmore Manufacturing Co. Limited |Country=US |ApplicationNum=154287 |ApplicationDate=1937-06-01 |PatentNum=2123110 |PatentDate=1938-07-05 |PriorityDate=1936-06-06 |Titolo=Self-filling fountain p... |
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