File:Patent-US-2236720.pdf

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Original file(1,159 × 1,704 pixels, file size: 251 KB, MIME type: application/pdf, 4 pages)
Inventor

Oscar H. Senf

Assignee

W. A. Sheaffer Pen Company

Country

US

Application N°

323360

Application Date

1940-03-11

Patent N°

2236720

Brevettato

1941-04-01

Priorità

1940-03-11

Brand

Sheaffer

Title

Tip for mechanical pencils or the like

Description

Puntale matita meccanica

Riferimenti esterni

Informazioni

Brevetto per il puntale di una matita meccanica. Riferimento a nº US-1872151.

File history

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current01:13, 15 July 2012Thumbnail for version as of 01:13, 15 July 20121,159 × 1,704, 4 pages (251 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Oscar H. Senf |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=323360 |ApplicationDate=1940-03-11 |PatentNum=2236720 |PatentDate=1941-04-01 |PriorityDate=1940-03-11 |Titolo=Tip for mechanical pencils or the like |...
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Fatti riguardanti Patent-US-2236720.pdf
Application datemarzo 11, 1940 +
Application number323360 +
Assigned toW. A. Sheaffer Pen Company +
Invented byOscar H. Senf +
Mention patentFile:Patent-US-1872151.pdf +
Patent dateaprile 1, 1941 +
Patent descriptionPuntale matita meccanica +
Patent number2236720 +
Patent titleTip for mechanical pencils or the like +
Patented byW. A. Sheaffer Pen Company +
Patented inUS +
Priority datemarzo 11, 1940 +