File:Patent-US-1607048.pdf

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Original file(1,159 × 1,704 pixels, file size: 171 KB, MIME type: application/pdf, 3 pages)
Inventor

Edward Bergquist

Assignee

Edward Bergquist

Country

US

Application N°

44437

Application Date

1925-07-18

Patent N°

1607048

Brevettato

1926-11-16

Priorità

1925-07-18

Brand

Unbranded

Title

Pen-filling mechanism

Description

Sistema di caricamento

Riferimenti esterni

Informazioni

Brevetto un caricamento a depressione che può essere considerato una evoluzione del caricamento pneumatico della Chilton ed un precursore del Touch Down della Sheaffer di cui condivide molti tratti ed è per questo citato nel relativo brevetto (nº US-2610612).

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current00:53, 16 July 2012Thumbnail for version as of 00:53, 16 July 20121,159 × 1,704, 3 pages (171 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Edward Bergquist |Assignee=Edward Bergquist |Country=US |ApplicationNum=44437 |ApplicationDate=1925-07-18 |PatentNum=1607048 |PatentDate=1926-11-16 |PriorityDate=1925-07-18 |Titolo=Pen-filling mechanism |Marca=Unbranded |Descriz...
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关于“Patent-US-1607048.pdf”的事实
Application date1925年7月18日 (六) +
Application number44437 +
Assigned toEdward Bergquist +
Invented byEdward Bergquist +
Patent date1926年11月16日 (二) +
Patent descriptionSistema di caricamento +
Patent number1607048 +
Patent titlePen-filling mechanism +
Patented byUnbranded +
Patented inUS +
Priority date1925年7月18日 (六) +
Used for featureTouch Down +