File:Patent-US-2105189.pdf

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Original file(1,159 × 1,704 pixels, file size: 159 KB, MIME type: application/pdf, 3 pages)
Inventor

Benjamin W. Hanle

Assignee

Eagle Pencil Company

Country

US

Application N°

35907

Application Date

1935-08-13

Patent N°

2105189

Brevettato

1938-01-11

Priorità

1935-08-13

Brand

Eagle

Title

Fountain pen

Description

Compensatore pressione

Riferimenti esterni

Informazioni

Brevetto per un sistema per compensare la pressione nel serbatoio interno della penna quando questa è quasi scarica.

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current17:18, 26 June 2012Thumbnail for version as of 17:18, 26 June 20121,159 × 1,704, 3 pages (159 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Benjamin W. Hanle |Assignee=Eagle Pencil Company |Country=US |ApplicationNum=35907 |ApplicationDate=1935-08-13 |PatentNum=2105189 |PatentDate=1938-01-11 |PriorityDate=1935-08-13 |Titolo=Fountain pen |Marca=Eagle |Descrizione=Comp...
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Fatti riguardanti Patent-US-2105189.pdf
Application dateagosto 13, 1935 +
Application number35907 +
Assigned toEagle Pencil Company +
Invented byBenjamin W. Hanle +
Patent dategennaio 11, 1938 +
Patent descriptionCompensatore pressione +
Patent number2105189 +
Patent titleFountain pen +
Patented byEagle +
Patented inUS +
Priority dateagosto 13, 1935 +