File:Patent-US-2428960.pdf
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| Inventor |
George D. Cloutier |
|---|---|
| Assignee |
Eversharp Inc. |
| Country |
US |
| Application N° |
606079 |
| Application Date |
1945-07-20 |
| Patent N° |
2428960 |
| Brevettato |
1947-10-14 |
| Priorità |
1945-07-20 |
| Brand | |
| Title |
Writing instrument |
| Description |
Penna a sfera |
Riferimenti esterni
Informazioni
Brevetto per penna a sfera, abbastanza simile alla Capillary Action. Riferimento a nº US-2397229; nº US-1171652, nº US-1485181, nº US-1527971, nº US-2258841, nº US-722508, nº US-2107424 e nº US-1493680 ed inoltre nº DE-701989, nº DE-491059, nº DE-704147.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:15, 4 August 2012 |  | 1,159 × 1,704, 6 pages (330 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=George D. Cloutier |Assignee=Eversharp Inc. |Country=US |ApplicationNum=606079 |ApplicationDate=1945-07-20 |PatentNum=2428960 |PatentDate=1947-10-14 |PriorityDate=1945-07-20 |Titolo=Writing instrument |Marca=Eversharp |Descrizion... |
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关于“Patent-US-2428960.pdf”的事实
| Application date | 1945年7月20日 (五) + |
| Application number | 606079 + |
| Assigned to | Eversharp Inc. + |
| Invented by | George D. Cloutier + |
| Mention patent |  +、File:Patent-US-1171652.pdf +、File:Patent-US-1485181.pdf +、File:Patent-US-1527971.pdf +、 +、File:Patent-US-722508.pdf +、File:Patent-US-2107424.pdf +、File:Patent-US-1493680.pdf +、File:Patent-DE-701989.pdf +、File:Patent-DE-491059.pdf +和File:Patent-DE-704147.pdf + |
| Patent date | 1947年10月14日 (二) + |
| Patent description | Penna a sfera + |
| Patent number | 2428960 + |
| Patent title | Writing instrument + |
| Patented by | Wahl Eversharp + |
| Patented in | US + |
| Priority date | 1945年7月20日 (五) + |
