File:Patent-US-2056055.pdf

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Original file(1,159 × 1,704 pixels, file size: 176 KB, MIME type: application/pdf, 4 pages)
Inventor

Edward Stephen Sears

Assignee

Mabie, Todd & Company Limited

Country

US

Application N°

44579

Application Date

1935-10-11

Patent N°

2056055

Brevettato

1936-09-29

Priorità

1934-10-31

Brand

Swan

Title

Self filling fountain pen

Description

Caricamento Visofil

Riferimenti esterni

Informazioni

Brevetto per un sistema di caricamento con visualizzazione del livello di inchiostro, prima versione del Visofil. Priorità dal brevetto inglese. Stessa invenzione di nº GB-451275. Stessa invenzione di nº CH-187720. Stessa invenzione di nº FR-795964. Stessa invenzione di nº AT-148396.

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current02:33, 23 July 2012Thumbnail for version as of 02:33, 23 July 20121,159 × 1,704, 4 pages (176 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Edward Stephen Sears |Assignee=Mabie, Todd and Company |Country=US |ApplicationNum=44579 |ApplicationDate=1935-10-11 |PatentNum=2056055 |PatentDate=1936-09-29 |PriorityDate=1934-10-31 |Titolo=Self filling fountain pen |Marca=Swan...
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