File:Patent-GB-471612.pdf
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Dettagli
Inventor |
Edward G. Knight |
---|---|
Assignee |
Thomas De La Rue and Company |
Country |
GB |
Application N° |
10400/36 |
Application Date |
1936-04-08 |
Patent N° |
471612 |
Brevettato |
1937-09-08 |
Priorità |
1936-04-08 |
Brand | |
Title |
Improvements in or relating to self-filling fountain pens |
Description |
Sistema di caricamento |
Riferimenti esterni
Informazioni
Brevetto per un meccanismo di compressione di un sacchetto di gomma tramite un pulsante sul fondello che aziona una sorta di pinzetta interna alla penna, usabile sia come sostituto del classico pulsante di fondo, che come meccanismo di pompaggio per un caricamento a sfiatatoio in stile Vacumatic.
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current | 18:55, 1 July 2012 | ![]() | 1,295 × 1,752, 4 pages (307 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Edward G. Knight |Assignee=Thomas De La Rue and Company |Country=GB |ApplicationNum=10400/36 |ApplicationDate=1936-04-08 |PatentNum=471612 |PatentDate=1937-09-08 |PriorityDate=1936-04-08 |Titolo=Improvements in or relating to sel... |
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