File:Patent-GB-475970.pdf
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Original file (1,295 × 1,752 pixels, file size: 344 KB, MIME type: application/pdf, 4 pages)
Dettagli
| Inventor |
William F. Johnson |
|---|---|
| Assignee |
Mentmore Manufacturing Company Limited |
| Country |
GB |
| Application N° |
15921/36 |
| Application Date |
1936-06-06 |
| Patent N° |
475970 |
| Brevettato |
1937-11-30 |
| Priorità |
1936-06-06 |
| Brand | |
| Title |
Improvements in or relating to self-filling fountain pens |
| 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. Stessa invenzione di nº FR-822628. Stessa invenzione di nº US-2123110. Stessa invenzione di nº CA-382339.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:19, 28 November 2013 |  | 1,295 × 1,752, 4 pages (344 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=William F. Johnson |Assignee=Mentmore Manufacturing Company Limited |Country=GB |ApplicationNum=15921/36 |ApplicationDate=1936-06-06 |PatentNum=475970 |PatentDate=1937-11-30 |PriorityDate=1936-06-06 |Titolo=Improvements in or rel... |
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