File:Patent-CH-250922.pdf

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Original file(1,295 × 1,752 pixels, file size: 211 KB, MIME type: application/pdf, 5 pages)

Dettagli

Inventor

Orlando Quadretti

Assignee

Orlando Quadretti

Country

CH

Application N°

250922

Application Date

1946-05-09

Patent N°

250922

Brevettato

1947-09-30

Priorità

1939-08-14

Brand

Colorado

Title

Penna stilografica doppia

Description

Penna doppia

Riferimenti esterni

Informazioni

Brevetto per il meccanismo a forbice usato nella Colorado. Priorità dal brevetto italiano, non disponibile, ma noto per il numero stampigliato (nº IT-378835). Citate due richieste, in data 1939-08-14 e 1945-09-18. Stessa invenzione di nº FR-923799.

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current02:32, 30 January 2013Thumbnail for version as of 02:32, 30 January 20131,295 × 1,752, 5 pages (211 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Orlando Quadretti |Assignee=Orlando Quadretti |Country=CH |ApplicationNum=250922 |ApplicationDate=1946-05-09 |PatentNum=250922 |PatentDate=1947-09-30 |PriorityDate=1939-08-14 |Titolo=Penna stilografica doppia |Marca=Colorado |Des...

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