File:Patent-GB-412286.pdf
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Original file (1,296 × 1,754 pixels, file size: 811 KB, MIME type: application/pdf, 8 pages)
Dettagli
| Inventor |
William Livsey |
|---|---|
| Assignee |
William Livsey |
| Country |
GB |
| Application N° |
36832/32 |
| Application Date |
1932-12-30 |
| Patent N° |
412286 |
| Brevettato |
1934-06-28 |
| Priorità |
1932-12-30 |
| Brand | |
| Title |
Improvements in or relating to pencils |
| Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per una matita meccanica. Il brevetto è riconducibile alla Lang Pen Company, sia perché William Livsey ha altri brevetti assegnati a questa azienda, sia perché il domicilio dello stesso (Hope Street, Liverpool) è quello della sede della suddetta compagnia.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:25, 22 March 2021 |  | 1,296 × 1,754, 8 pages (811 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=William Livsey |Assignee=William Livsey |Country=GB |ApplicationNum=36832/32 |ApplicationDate=1932-12-30 |PatentNum=412286 |PatentDate=1934-06-28 |PriorityDate=1932-12-30 |Titolo=Improvements in or relating to pencils |Marca=Lang... |
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