File:Patent-US-2225864.pdf
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Original file (1,159 × 1,704 pixels, file size: 160 KB, MIME type: application/pdf, 3 pages)
Dettagli
| Inventor |
Benjamin W. Hanle |
|---|---|
| Assignee |
Eagle Pencil Company |
| Country |
US |
| Application N° |
269150 |
| Application Date |
1939-04-21 |
| Patent N° |
2225864 |
| Brevettato |
1940-12-24 |
| Priorità |
1939-04-21 |
| Brand | |
| Title |
Fountain pen |
| Description |
Sistema di caricamento |
Riferimenti esterni
Informazioni
Brevetto per un sistema di caricamento a sfiatatoio, in cui il meccanismo di compressione del bulbo è sostanzialmente una variante di spoon filler.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:40, 26 June 2012 |  | 1,159 × 1,704, 3 pages (160 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Benjamin W. Hanle |Assignee=Eagle Pencil Company |Country=US |ApplicationNum=269150 |ApplicationDate=1939-04-21 |PatentNum=2148236 |PatentDate=1940-12-24 |PriorityDate=1939-04-21 |Titolo=Fountain pen |Marca=Eagle |Descrizione=Mec... |
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