File:Patent-US-726495.pdf

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Original file(1,159 × 1,704 pixels, file size: 135 KB, MIME type: application/pdf, 3 pages)
Inventor

John S. Barnes

Assignee

W. F. & John Barnes Company

Country

US

Application N°

132494

Application Date

1902-11-22

Patent N°

726495

Brevettato

1903-04-28

Priorità

1902-11-22

Brand

Waterman

Title

Fountain-pen

Description

Caricamento a levetta

Riferimenti esterni

Informazioni

Brevetto per un sistema di caricamento a levetta, ben antecedente quello della Sheaffer. Dalla terza pagina emerge, da una liberatoria del 1916-03-13, come questo fosse stato assegnato alla Waterman in un secondo tempo. Stampigliato sul cappuccio delle Waterman 12S.

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current23:52, 24 July 2012Thumbnail for version as of 23:52, 24 July 20121,159 × 1,704, 3 pages (135 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=John Barnes |Assignee=W. F. & John Barnes Company |Country=US |ApplicationNum=132494 |ApplicationDate=1902-11-22 |PatentNum=1567823 |PatentDate=1903-05-28 |PriorityDate=1902-11-22 |Titolo=Fountain-pen |Marca=Waterman |Descrizione...
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