File:Patent-US-1613810.pdf

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Original file(1,159 × 1,704 pixels, file size: 151 KB, MIME type: application/pdf, 3 pages)
Inventor

John C. Wahl

Assignee

The Wahl Company

Country

US

Application N°

557198

Application Date

1922-04-28

Patent N°

1613810

Brevettato

1927-01-11

Priorità

1922-04-28

Brand

Eversharp

Title

Mechanical pencil

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per una matita meccanica. Riferimenti a nº US-1130741, richiesta n° 510813 del 1921-10-27.

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current03:09, 24 July 2012Thumbnail for version as of 03:09, 24 July 20121,159 × 1,704, 3 pages (151 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=John C. Wahl |Assignee=The Wahl Company |Country=US |ApplicationNum=557198 |ApplicationDate=1922-04-28 |PatentNum=1613812 |PatentDate=1927-01-11 |PriorityDate=1922-04-28 |Titolo=Mechanical pencil |Marca=Eversharp |Descrizione=Mat...
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Fatti riguardanti Patent-US-1613810.pdf
Application dateaprile 28, 1922 +
Application number557198 +
Assigned toThe Wahl Company +
Invented byJohn C. Wahl +
Mention patentFile:Patent-US-1130741.pdf +
Patent dategennaio 11, 1927 +
Patent descriptionMatita meccanica +
Patent number1613810 +
Patent titleMechanical pencil +
Patented byWahl Eversharp +
Patented inUS +
Priority dateaprile 28, 1922 +