File:Patent-US-1798046.pdf

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Dettagli

Inventor

George Sweetser

Assignee

The Mentmore Manufacturing Company Limited

Country

US

Application N°

406332

Application Date

1929-11-11

Patent N°

1798046

Brevettato

1931-03-24

Priorità

1928-12-10

Brand

Mentmore

Title

Self-filling sac pen

Description

Sistema di caricamento

Riferimenti esterni

Informazioni

Brevetto per un sistema di caricamento a sfiatatoio piuttosto complesso. Priorità dal brevetto inglese. Stessa invenzione di nº GB-326242. Stessa invenzione di nº DE-556766. Stessa invenzione di nº FR-686153. Stessa invenzione di nº CH-146581. Stessa invenzione di nº CA-309938.

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current18:44, 30 June 2012Thumbnail for version as of 18:44, 30 June 20121,159 × 1,704, 3 pages (196 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=George Sweetser |Assignee=The Mentmore Manufacturing Company Limited |Country=US |ApplicationNum=406332 |ApplicationDate=1929-11-11 |PatentNum=1798046 |PatentDate=1931-03-24 |PriorityDate=1928-12-10 |Titolo=Self-filling sac pen |...

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