File:Patent-US-2203093.pdf

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Original file(1,159 × 1,704 pixels, file size: 281 KB, MIME type: application/pdf, 5 pages)
Inventor

David Kahn

Assignee

David Kahn Inc

Country

US

Application N°

172245

Application Date

1937-11-01

Patent N°

2203093

Brevettato

1940-06-04

Priorità

1937-11-01

Brand

Wearever

Title

Mechanical pencil

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per una matita meccanica. Riferimenti a richiesta n° 733524 del 1934-07-02.

File history

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current22:48, 9 August 2013Thumbnail for version as of 22:48, 9 August 20131,159 × 1,704, 5 pages (281 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=David Kahn |Assignee=David Kahn Inc |Country=US |ApplicationNum=172245 |ApplicationDate=1937-11-01 |PatentNum=2203093 |PatentDate=1940-06-04 |PriorityDate=1937-11-01 |Titolo=Mechanical pencil |Marca=Wearever |Descrizione=Matita m...
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Metadata

Facts about "Patent-US-2203093.pdf"
Application dateNovember 1, 1937 +
Application number172245 +
Assigned toDavid Kahn Inc +
Invented byDavid Kahn +
Patent dateJune 4, 1940 +
Patent descriptionMatita meccanica +
Patent number2203093 +
Patent titleMechanical pencil +
Patented byWearever +
Patented inUS +
Priority dateNovember 1, 1937 +