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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current | 18:15, 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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Fatti riguardanti Patent-US-2428960.pdf
Application date | luglio 20, 1945 + |
Application number | 606079 + |
Assigned to | Eversharp Inc. + |
Invented by | George D. Cloutier + |
Mention patent | ![]() ![]() |
Patent date | ottobre 14, 1947 + |
Patent description | Penna a sfera + |
Patent number | 2428960 + |
Patent title | Writing instrument + |
Patented by | Wahl Eversharp + |
Patented in | US + |
Priority date | luglio 20, 1945 + |