File:Patent-US-2104638.pdf

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Original file(1,159 × 1,704 pixels, file size: 256 KB, MIME type: application/pdf, 4 pages)
Inventor

William R. Cuthbert

Assignee

W. A. Sheaffer Pen Company

Country

US

Application N°

80226

Application Date

1936-05-18

Patent N°

2104638

Brevettato

1938-01-04

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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current23:08, 14 July 2012Thumbnail for version as of 23:08, 14 July 20121,159 × 1,704, 4 pages (256 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=William R. Cuthbert |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=80226 |ApplicationDate=1936-05-18 |PatentNum=2104638 |PatentDate=1938-01-04 |PriorityDate=1936-05-18 |Titolo=Fountain pen |Marca=Sheaffer |Descr...
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Fatti riguardanti Patent-US-2104638.pdf
Application datemaggio 18, 1936 +
Application number80226 +
Assigned toW. A. Sheaffer Pen Company +
Invented byWilliam R. Cuthbert +
Patent dategennaio 4, 1938 +
Patent descriptionBlocco afflusso inchiostro +
Patent number2104638 +
Patent titleFountain pen +
Patented byW. A. Sheaffer Pen Company +
Patented inUS +
Priority datemaggio 18, 1936 +
Used for featureInk Shut-Off +