File:Patent-FR-526035.pdf

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Original file(1,295 × 1,752 pixels, file size: 430 KB, MIME type: application/pdf, 6 pages)
Inventor

William P. De Witt

Assignee

William Price De Witt

Country

FR

Application N°

526035

Application Date

1920-10-14

Patent N°

526035

Brevettato

1921-09-30

Priorità

1920-04-19

Brand

De Witt-La France

Title

Porte-mine

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per una matita meccanica. Stessa invenzione di nº US-1472962. Stessa invenzione di nº GB-171154. Stessa invenzione di nº DE-349147. Priorità dal brevetto statunitense.

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current22:50, 18 March 2014Thumbnail for version as of 22:50, 18 March 20141,295 × 1,752, 6 pages (430 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=William P. De Witt |Assignee=William Price De Witt |Country=FR |ApplicationNum=526035 |ApplicationDate=1920-10-14 |PatentNum=526035 |PatentDate=1921-09-30 |PriorityDate=1920-04-19 |Titolo=Porte-mine |Marca=De Witt-La France |Desc...
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Metadata

Fatti riguardanti Patent-FR-526035.pdf
Application dateottobre 14, 1920 +
Application number526035 +
Assigned toWilliam Price De Witt +
Invented byWilliam P. De Witt +
Patent datesettembre 30, 1921 +
Patent descriptionMatita meccanica +
Patent number526035 +
Patent titlePorte-mine +
Patented byDe Witt-La France +
Patented inFR +
Priority dateaprile 19, 1920 +
Same invention ofFile:Patent-US-1472962.pdf +, File:Patent-GB-171154.pdf + e File:Patent-DE-349147.pdf +