File:Patent-US-780416.pdf

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Original file(1,159 × 1,704 pixels, file size: 232 KB, MIME type: application/pdf, 5 pages)
Inventor

August Eberstein

Assignee

Charles Brandt

Country

US

Application N°

203068

Application Date

1904-04-14

Patent N°

780416

Brevettato

1905-01-17

Priorità

1904-04-14

Brand

Boston Pen

Title

Fountain pen

Description

Caricamento rientrante

Riferimenti esterni

Informazioni

Brevetto di un sistema di caricamento di una rientrante, una variante mai trovata in produzione in cui il gruppo pennino viene fatto rientrare con una vite elicoidale piazzata però nella parte anteriore della sezione invece che dal fondello.

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current23:15, 23 June 2012Thumbnail for version as of 23:15, 23 June 20121,159 × 1,704, 5 pages (232 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=August Eberstein |Assignee=Charles Brandt |Country=US |ApplicationNum=203068 |ApplicationDate=1904-04-14 |PatentNum=780416 |PatentDate=1905-01-17 |PriorityDate=1904-04-14 |Titolo=Fountain pen |Marca=Boston Pen Company |Descrizion...
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