File:Patent-US-2110578.pdf

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Original file(1,159 × 1,704 pixels, file size: 181 KB, MIME type: application/pdf, 3 pages)
Inventor

Aloysius L. Prasch

Assignee

W. A. Sheaffer Pen Company

Country

US

Application N°

41560

Application Date

1935-09-21

Patent N°

2110578

Brevettato

1938-03-08

Priorità

1935-09-21

Brand

Sheaffer

Title

Fountain pen

Description

Alimentatore

Riferimenti esterni

Informazioni

Brevetto per un alimentatore in grado di compensare gli sbalzi di pressione ed evitare perdite di inchiostro anche in caso di serbatoi molto grandi (viene fatta esplicita menzione per caricamenti senza sacchetto, sembra pertanto collegato all'uso di un caricamento come il Vacuum-Fil).

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current23:55, 14 July 2012Thumbnail for version as of 23:55, 14 July 20121,159 × 1,704, 3 pages (181 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Aloysius L. Prasch |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=41560 |ApplicationDate=1935-09-21 |PatentNum=2110578 |PatentDate=1938-03-08 |PriorityDate=1935-09-21 |Titolo=Fountain pen |Marca=Sheaffer |Descri...
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