File:Patent-US-1028382.pdf
Jump to navigation
Jump to search
![]() Size of this JPG preview of this PDF file: 408 × 600 pixels. Other resolution: 163 × 240 pixels. |
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.
File history
Click on a date/time to view the file as it appeared at that time.
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... |
You cannot overwrite this file.
File usage
There are no pages that use this file.