File:Patent-GB-451275.pdf
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Original file (1,295 × 1,752 pixels, file size: 463 KB, MIME type: application/pdf, 6 pages)
Dettagli
| Inventor |
Edward Stephen Sears |
|---|---|
| Assignee |
Mabie, Todd & Company Limited |
| Country |
GB |
| Application N° |
31281/34 |
| Application Date |
1934-10-31 |
| Patent N° |
451275 |
| Brevettato |
1933-04-13 |
| Priorità |
1934-10-31 |
| Brand | |
| Title |
Improvements in self-filling fountain pens |
| Description |
Caricamento Visofil |
Riferimenti esterni
Informazioni
Brevetto per un sistema di caricamento con visualizzazione del livello di inchiostro, prima versione del Visofil. Priorità dal brevetto inglese. Stessa invenzione di nº US-2056055. Stessa invenzione di nº CH-187720. Stessa invenzione di nº FR-795964. Stessa invenzione di nº AT-148396.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:40, 25 April 2013 |  | 1,295 × 1,752, 6 pages (463 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Edward Stephen Sears |Assignee=Mabie, Todd & Company Limited |Country=GB |ApplicationNum=31281/34 |ApplicationDate=1934-10-31 |PatentNum=451275 |PatentDate=1933-04-13 |PriorityDate=1934-10-31 |Titolo=Improvements in self-filling ... |
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