File:Patent-US-1425871.pdf

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Original file(1,159 × 1,704 pixels, file size: 142 KB, MIME type: application/pdf, 3 pages)
Inventor

John G. Liddel

Assignee

Moore Pen Company

Country

US

Application N°

522250

Application Date

1921-12-14

Patent N°

1425871

Brevettato

1922-08-15

Priorità

1921-12-14

Brand

Moore

Title

Mechanical pencil

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per una matita meccanica.

File history

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Date/TimeThumbnailDimensionsUserComment
current02:35, 1 July 2012Thumbnail for version as of 02:35, 1 July 20121,159 × 1,704, 3 pages (142 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=John G. Liddel |Assignee=Moore Pen Company |Country=US |ApplicationNum=522250 |ApplicationDate=1921-12-14 |PatentNum=1425871 |PatentDate=1922-08-15 |PriorityDate=1921-12-14 |Titolo=Fountain-pen |Marca=Moore |Descrizione=Matita me...
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关于“Patent-US-1425871.pdf”的事实
Application date1921年12月14日 (三) +
Application number522250 +
Assigned toMoore Pen Company +
Invented byJohn G. Liddel +
Patent date1922年8月15日 (二) +
Patent descriptionMatita meccanica +
Patent number1425871 +
Patent titleMechanical pencil +
Patented byMoore Pen Company +
Patented inUS +
Priority date1921年12月14日 (三) +