File:Patent-US-1251421.pdf

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Original file(1,159 × 1,704 pixels, file size: 165 KB, MIME type: application/pdf, 3 pages)
Inventor

Felix Riesenberg

Assignee

Maud C. Riesenberg

Country

US

Application N°

64055

Application Date

1915-11-29

Patent N°

1251421

Brevettato

1917-12-25

Priorità

1915-11-29

Brand

Unbranded

Title

Fountain-pen filler

Description

Sistema di caricamento

Riferimenti esterni

Informazioni

Brevetto per una variante di caricamento a levetta, detta split lever. Esiste un legame con la Swan in quanto altri brevetti di Felix Riesenberg sono assegnati a Herbert L. Carman, che è stato vicepresidente della Swan americana e con la Waterman a cui sono assegnati altri brevetti.

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current00:05, 23 August 2013Thumbnail for version as of 00:05, 23 August 20131,159 × 1,704, 3 pages (165 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Felix Riesenberg |Assignee=Maud C. Riesenberg |Country=US |ApplicationNum=64055 |ApplicationDate=1915-11-29 |PatentNum=1251421 |PatentDate=1917-12-25 |PriorityDate=1915-11-29 |Titolo=Fountain-pen filler |Marca=Unbranded |Descrizi...
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Metadata

关于“Patent-US-1251421.pdf”的事实
Application date1915年11月29日 (一) +
Application number64055 +
Assigned toMaud C. Riesenberg +
Invented byFelix Riesenberg +
Patent date1917年12月25日 (二) +
Patent descriptionSistema di caricamento +
Patent number1251421 +
Patent titleFountain-pen filler +
Patented byUnbranded +
Patented inUS +
Priority date1915年11月29日 (一) +
Used for featureLever filler +Split lever +