File:Patent-US-1344434.pdf

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Original file(1,159 × 1,704 pixels, file size: 84 KB, MIME type: application/pdf, 2 pages)
Inventor

Robert George Crombie Boa

Assignee

The Wahl Company

Country

US

Application N°

212351

Application Date

1918-01-17

Patent N°

1344434

Brevettato

1920-06-22

Priorità

1918-01-17

Brand

Eversharp

Title

Mechanical pencil

Description

Supporto gomma matita meccanica

Riferimenti esterni

Informazioni

Brevetto per la costruzione del supporto per il gommino per la cancellazione di una matita meccanica. Riferimento a nº US-1130741.

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current16:17, 24 July 2012Thumbnail for version as of 16:17, 24 July 20121,159 × 1,704, 2 pages (84 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Robert George Crombie Boa |Assignee=The Wahl Company |Country=US |ApplicationNum=157945 |ApplicationDate=1917-03-28 |PatentNum=1367255 |PatentDate=1921-02-01 |PriorityDate=1917-03-28 |Titolo=Mechanical pencil |Marca=Eversharp |D...
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Fatti riguardanti Patent-US-1344434.pdf
Application dategennaio 17, 1918 +
Application number212351 +
Assigned toThe Wahl Company +
Invented byRobert George Crombie Boa +
Mention patentFile:Patent-US-1130741.pdf +
Patent dategiugno 22, 1920 +
Patent descriptionSupporto gomma matita meccanica +
Patent number1344434 +
Patent titleMechanical pencil +
Patented byWahl Eversharp +
Patented inUS +
Priority dategennaio 17, 1918 +