File:Patent-US-2749883.pdf

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Original file(1,159 × 1,704 pixels, file size: 112 KB, MIME type: application/pdf, 3 pages)
Inventor

Raymond L. Dostert

Assignee

Eversharp Inc.

Country

US

Application N°

397914

Application Date

1953-12-14

Patent N°

2749883

Brevettato

1956-06-12

Priorità

1953-12-14

Brand

Eversharp

Title

Fountain pen

Description

Sistema di caricamento

Riferimenti esterni

Informazioni

Brevetto per sistema di caricamento a pressione diretta del serbatoio una volta rimosso il corpo penna, una sorta di aerometric senza sfiatatoio e con due lato per comprimere. Non risulta essere stato prodotto. Riferimenti a nº US-428969, nº US-781649 e nº US-800129.

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current01:32, 5 August 2012Thumbnail for version as of 01:32, 5 August 20121,159 × 1,704, 3 pages (112 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Raymond L. Dostert |Assignee=Eversharp Inc. |Country=US |ApplicationNum=397914 |ApplicationDate=1953-12-14 |PatentNum=2749883 |PatentDate=1956-06-12 |PriorityDate=1953-12-14 |Titolo=Fountain pen |Marca=Eversharp |Descrizione=sist...
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