File:Patent-US-1151016.pdf

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Original file(1,159 × 1,704 pixels, file size: 190 KB, MIME type: application/pdf, 4 pages)
Inventor

Charles R. Keeran

Assignee

Charles R. Keeran

Country

US

Application N°

869104

Application Date

1914-10-28

Patent N°

1151016

Brevettato

1915-08-24

Priorità

1914-10-28

Brand

Eversharp

Title

Lead pencil

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per una matita meccanica. Riferimenti a nº US-1130741.

File history

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current17:35, 24 July 2012Thumbnail for version as of 17:35, 24 July 20121,159 × 1,704, 4 pages (190 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Charles R. Keeran |Assignee=Charles R. Keeran |Country=US |ApplicationNum=869104 |ApplicationDate=1914-10-28 |PatentNum=1151016 |PatentDate=1915-08-24 |PriorityDate=1914-10-28 |Titolo=Lead pencil |Marca=Eversharp |Descrizione=Mat...
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关于“Patent-US-1151016.pdf”的事实
Application date1914年10月28日 (三) +
Application number869104 +
Assigned toCharles R. Keeran +
Invented byCharles R. Keeran +
Mention patentFile:Patent-US-1130741.pdf +
Patent date1915年8月24日 (二) +
Patent descriptionMatita meccanica +
Patent number1151016 +
Patent titleLead pencil +
Patented byWahl Eversharp +
Patented inUS +
Priority date1914年10月28日 (三) +