File:Patent-US-253953.pdf

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Original file(1,159 × 1,704 pixels, file size: 247 KB, MIME type: application/pdf, 4 pages)
Inventor

William W. Stewart

Assignee

William W. Stewart

Country

US

Application N°

253953

Application Date

1881-03-30

Patent N°

253953

Brevettato

1882-02-21

Priorità

1881-03-30

Brand

Swan

Title

Fountain-pen

Description

Proto-stilografica

Riferimenti esterni

Informazioni

Brevetto per una stilografica primitiva. Secondo quanto riportato qui i brevetti di William W. Stewart sarebbero stati utilizzati dalla Swan per la produzione delle loro prime stilografiche negli USA. Confermato dalla citazione di un brevetto con questa data su alcuni modelli dell'azienda (vedi questo esempio).

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current23:35, 3 December 2013Thumbnail for version as of 23:35, 3 December 20131,159 × 1,704, 4 pages (247 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=William W. Stewart |Assignee=William W. Stewart |Country=US |ApplicationNum=253953 |ApplicationDate=1881-03-30 |PatentNum=253953 |PatentDate=1882-02-21 |PriorityDate=1881-03-30 |Titolo=Fountain-pen |Marca=Swan |Descrizione=Proto-...
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Metadata

Facts about "Patent-US-253953.pdf"
Application dateMarch 30, 1881 +
Application number253953 +
Assigned toWilliam W. Stewart +
Invented byWilliam W. Stewart +
Patent dateFebruary 21, 1882 +
Patent descriptionProto-stilografica +
Patent number253953 +
Patent titleFountain-pen +
Patented bySwan +
Patented inUS +
Priority dateMarch 30, 1881 +