File:Patent-US-630526.pdf

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Original file(1,159 × 1,704 pixels, file size: 244 KB, MIME type: application/pdf, 5 pages)
Inventor

William W. Stewart

Assignee

William W. Stewart

Country

US

Application N°

709890

Application Date

1899-03-21

Patent N°

630526

Brevettato

1899-08-08

Priorità

1899-03-21

Brand

Swan

Title

Self-filling fountain-pen

Description

Sistema di caricamento

Riferimenti esterni

Informazioni

Brevetto per un sistema di caricamento. Riferimenti a nº US-542450. Secondo quanto riportato qui i brevetti di William W. Stewart sarebbero stati utilizzati dalla Swan per la produzione delle loro prime stilografiche negli USA.

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current20:49, 11 November 2012Thumbnail for version as of 20:49, 11 November 20121,159 × 1,704, 5 pages (244 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=William W. Stewart |Assignee=William W. Stewart |Country=US |ApplicationNum=709890 |ApplicationDate=1899-03-21 |PatentNum=630526 |PatentDate=1899-08-08 |PriorityDate=1899-03-21 |Titolo=Self-filling fountain-pen |Marca=Swan |Descr...
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Fatti riguardanti Patent-US-630526.pdf
Application datemarzo 21, 1899 +
Application number709890 +
Assigned toWilliam W. Stewart +
Invented byWilliam W. Stewart +
Mention patentFile:Patent-US-542450.pdf +
Patent dateagosto 8, 1899 +
Patent descriptionSistema di caricamento +
Patent number630526 +
Patent titleSelf-filling fountain-pen +
Patented bySwan +
Patented inUS +
Priority datemarzo 21, 1899 +