File:Patent-US-1893130.pdf

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Original file(1,159 × 1,704 pixels, file size: 435 KB, MIME type: application/pdf, 8 pages)
Inventor

Mirko Chelazzi, Dino Frulli

Assignee

Mirko Chelazzi, Dino Frulli

Country

US

Application N°

579966

Application Date

1931-12-09

Patent N°

1893130

Brevettato

1933-01-03

Priorità

1930-12-09

Brand

Zerollo

Title

Fountain pen

Description

Penna doppia

Riferimenti esterni

Informazioni

Brevetto per la penna doppia Zerollo. Priorità da brevetto italiano. Stessa invenzione di nº FR-728038. Stessa invenzione di nº GB-397736.

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current03:10, 29 July 2012Thumbnail for version as of 03:10, 29 July 20121,159 × 1,704, 8 pages (435 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Mirko Chelazzi, Dino Frulli |Assignee=Mirko Chelazzi, Dino Frulli |Country=US |ApplicationNum=579966 |ApplicationDate=1931-12-09 |PatentNum=1790037 |PatentDate=1933-01-03 |PriorityDate=1930-12-09 |Titolo=Fountain pen |Marca=Z...
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Fatti riguardanti Patent-US-1893130.pdf
Application datedicembre 9, 1931 +
Application number579966 +
Assigned toMirko Chelazzi, Dino Frulli +
Invented byMirko Chelazzi + e Dino Frulli +
Patent dategennaio 3, 1933 +
Patent descriptionPenna doppia +
Patent number1893130 +
Patent titleFountain pen +
Patented byZerollo +
Patented inUS +
Priority datedicembre 9, 1930 +
Same invention ofFile:Patent-FR-728038.pdf + e File:Patent-GB-397736.pdf +