File:Patent-US-2398531.pdf
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Dettagli
| Inventor |
Philip C. Hull |
|---|---|
| Assignee |
The Parker Pen Company |
| Country |
US |
| Application N° |
556531 |
| Application Date |
1944-09-29 |
| Patent N° |
2398531 |
| Brevettato |
1946-04-16 |
| Priorità |
1944-09-29 |
| Brand | |
| Title |
Filling mechanism for fountain pens |
| Description |
Riferimenti esterni
Informazioni
Brevetto per la variante speedline in celluloide (detta anche wartime) del caricamento Vacumatic. Riferimenti a nº US-1904358 e nº US-2223541.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:46, 6 August 2012 |  | 1,159 × 1,704, 4 pages (242 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Philip C. Hull |Assignee=The Parker Pen Company |Country=US |ApplicationNum=556531 |ApplicationDate=1944-09-29 |PatentNum=2398531 |PatentDate=1946-04-16 |PriorityDate=1944-09-29 |Titolo=Filling mechanism for fountain pens |Marca... |
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