File:Patent-US-1980508.pdf

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Original file(1,159 × 1,704 pixels, file size: 341 KB, MIME type: application/pdf, 6 pages)
Inventor

Ivan D. Tefft

Assignee

The Parker Pen Company

Country

US

Application N°

636436

Application Date

1932-10-06

Patent N°

1980508

Brevettato

1934-11-13

Priorità

1932-10-06

Brand

Parker

Title

Fountain pen filling device

Description

Caricamento Vacumatic

Riferimenti esterni

Informazioni

Brevetto per il caricamento Vacumatic, prima versione prodotta, con pulsante bloccabile in posizione premuta (la versione detta lockdown). Riferimenti a nº US-802668 e nº US-1904358. Stessa invenzione di nº GB-417546. Stessa invenzione di nº NL-34143. Stessa invenzione di nº BE-398712.

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current01:51, 31 July 2012Thumbnail for version as of 01:51, 31 July 20121,159 × 1,704, 6 pages (341 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Ivan D. Tefft |Assignee=Parker Pen Company |Country=US |ApplicationNum=636436 |ApplicationDate=1932-10-06 |PatentNum=1980508 |PatentDate=1934-11-13 |PriorityDate=1932-10-06 |Titolo=Fountain pen filling device |Marca=Parker |Descr...
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