File:Patent-US-1028382.pdf
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Original file (1,159 × 1,704 pixels, file size: 79 KB, MIME type: application/pdf, 2 pages)
Dettagli
| Inventor |
George S. Parker |
|---|---|
| Assignee |
George S. Parker |
| Country |
US |
| Application N° |
510549 |
| Application Date |
1909-07-31 |
| Patent N° |
1028382 |
| Brevettato |
1912-06-04 |
| Priorità |
1909-07-31 |
| Brand | |
| Title |
Safety-cap for fountain-pens |
| Description |
Cappuccio a tenuta |
Riferimenti esterni
Informazioni
Brevetto per la costruzione di un cappuccio dotato di controcappuccio per avere una chiusura di sicurezza (il cosiddetto Jack Knife cap) a tenuta ed evitare le perdite di inchiostro (introdotto con le Jack-Knife Safety). Stampigliato sulle Jack-Knife Safety. In una pubblicità del 1922 si fa riferimento a questo sistema anche come Safety Seal.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:53, 2 July 2012 |  | 1,159 × 1,704, 2 pages (79 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=George S. Parker |Assignee=George S. Parker |Country=US |ApplicationNum=510549 |ApplicationDate=1909-06-31 |PatentNum=1028382 |PatentDate=1911-06-04 |PriorityDate=1909-06-31 |Titolo=Safety-cap for fountain-pens |Marca=Parker |Des... |
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