File:Patent-US-2474996.pdf

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Original file(1,159 × 1,704 pixels, file size: 236 KB, MIME type: application/pdf, 4 pages)
Inventor

Frank B. Wallis

Assignee

W. A. Sheaffer Pen Company

Country

US

Application N°

621891

Application Date

1945-10-12

Patent N°

2474996

Brevettato

1949-07-05

Priorità

1945-10-12

Brand

Sheaffer

Title

Fountain pen

Description

Pennino conico integrato

Riferimenti esterni

Informazioni

Brevetto per la variante di pennino conico della Sheaffer (il Triumph Nib) in cui esso viene montato direttamente sull'alimentatore in modo da formare un gruppo pennino integrato che si avvita sulla sezione. Questo tipo di montaggi si trova spesso sulle Triumph e sui modelli dello stesso periodo. Riferimenti a nº US-1355013, nº US-1615980, nº US-1989220, nº US-2012722, nº US-2303373 e nº US-2375770.

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current18:01, 15 July 2012Thumbnail for version as of 18:01, 15 July 20121,159 × 1,704, 4 pages (236 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Frank B. Wallis |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=621891 |ApplicationDate=1945-10-12 |PatentNum=2474996 |PatentDate=1949-07-05 |PriorityDate=1945-10-12 |Titolo=Fountain pen |Marca=Sheaffer |Descrizi...
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