File:Patent-US-2784699.pdf

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Original file(1,159 × 1,704 pixels, file size: 285 KB, MIME type: application/pdf, 4 pages)
Inventor

Craig R. Sheaffer

Assignee

W. A. Sheaffer Pen Company

Country

US

Application N°

319031

Application Date

1952-11-06

Patent N°

2784699

Brevettato

1957-03-12

Priorità

1952-11-06

Brand

Sheaffer

Title

Writing implements

Description

Snorkel a capillarità

Riferimenti esterni

Informazioni

Brevetto per un particolare sistema di caricamento costituito da una sorta di incrocio dello snorkel con il caricamento a capillarità, di non si conosce comunque alcuna messa in produzione. Riferimenti a nº US-1567527, nº US-2462929, nº US-2522554, nº US-2603189, nº US-2648309 e nº US-2670711; ed inoltre nº GB-642437.

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current00:55, 10 July 2012Thumbnail for version as of 00:55, 10 July 20121,159 × 1,704, 4 pages (285 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Craig R. Sheaffer |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=319031 |ApplicationDate=1952-11-06 |PatentNum=2784699 |PatentDate=1959-03-12 |PriorityDate=1952-11-06 |Titolo=Writing implements |Marca=Sheaffer |...
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