File:Patent-US-448360.pdf
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Dettagli
| Inventor |
John Oliphant |
|---|---|
| Assignee |
John Oliphant |
| Country |
US |
| Application N° |
351461 |
| Application Date |
1890-05-12 |
| Patent N° |
448360 |
| Brevettato |
1891-03-17 |
| Priorità |
1890-05-12 |
| Brand | |
| Title |
Fountain-pen |
| Description |
Caricamento a sacchetto di gomma |
Riferimenti esterni
Informazioni
Brevetto per un caricamento a compressione di un sacchetto di gomma, uno dei primi al riguardo, citato da Roy Conklin nel brevetto del Crescent Filler, e comprato dalla Conklin, secondo quanto riportato in questo articolo. Stampigliato sul corpo di alcune Conklin Crescent Filler.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:49, 24 July 2012 |  | 1,159 × 1,704, 3 pages (118 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=John Oliphant |Assignee=John Oliphant |Country=US |ApplicationNum=351461 |ApplicationDate=1890-05-12 |PatentNum=448360 |PatentDate=1891-03-17 |PriorityDate=1890-05-12 |Titolo=Fountain-pen |Marca=Unbranded |Descrizione=Caricamento... |
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