File:Patent-US-2232231.pdf

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Original file(1,159 × 1,704 pixels, file size: 169 KB, MIME type: application/pdf, 3 pages)
Inventor

O'Cal Hanson

Assignee

W. A. Sheaffer Pen Company

Country

US

Application N°

316506

Application Date

1940-01-31

Patent N°

2232231

Brevettato

1941-02-18

Priorità

1940-01-31

Brand

Sheaffer

Title

Tip for a marking instrument

Description

Puntale matita meccanica

Riferimenti esterni

Informazioni

Brevetto per il puntale di una matita meccanica.

File history

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current01:09, 15 July 2012Thumbnail for version as of 01:09, 15 July 20121,159 × 1,704, 3 pages (169 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=O'cal Hanson |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=316506 |ApplicationDate=1940-01-31 |PatentNum=2232231 |PatentDate=1941-02-18 |PriorityDate=1940-01-31 |Titolo=Tip for a marking instrument |Marca=Shea...
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Facts about "Patent-US-2232231.pdf"
Application dateJanuary 31, 1940 +
Application number316506 +
Assigned toW. A. Sheaffer Pen Company +
Invented byO'Cal Hanson +
Patent dateFebruary 18, 1941 +
Patent descriptionPuntale matita meccanica +
Patent number2232231 +
Patent titleTip for a marking instrument +
Patented byW. A. Sheaffer Pen Company +
Patented inUS +
Priority dateJanuary 31, 1940 +