File:Patent-US-2110558.pdf

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Original file(1,159 × 1,704 pixels, file size: 191 KB, MIME type: application/pdf, 4 pages)
Inventor

Craig R. Sheaffer

Assignee

W. A. Sheaffer Pen Company

Country

US

Application N°

80328

Application Date

1936-05-18

Patent N°

2110558

Brevettato

1938-03-08

Priorità

1936-05-18

Brand

Sheaffer

Title

Fountain pen

Description

Blocco afflusso inchiostro

Riferimenti esterni

Informazioni

Brevetto per un meccanismo di blocco dell'afflusso di inchiostro al pennino, analogo all'Ink Shut-off della Eversharp, non ne è nota una realizzazione.

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current23:52, 14 July 2012Thumbnail for version as of 23:52, 14 July 20121,159 × 1,704, 4 pages (191 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Craig R. Sheaffer |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=80328 |ApplicationDate=1936-05-18 |PatentNum=2110558 |PatentDate=1938-03-08 |PriorityDate=1936-05-18 |Titolo=Fountain pen |Marca=Sheaffer |Descriz...
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