File:Patent-US-2176661.pdf

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Original file(1,159 × 1,704 pixels, file size: 231 KB, MIME type: application/pdf, 4 pages)
Inventor

Leon H. Ashmore

Assignee

The Esterbrook Steel Pen Manfacturing Co.

Country

US

Application N°

249236

Application Date

1939-01-04

Patent N°

2176661

Brevettato

1939-10-17

Priorità

1939-01-04

Brand

Esterbrook

Title

Fountain pen

Description

Dispositivo anti-bolle

Riferimenti esterni

Informazioni

Brevetto di un dispositivo inserito internamente alla sezione volto ad evitare la formazione di bolle nel contatto fra la parte posteriore dell'alimentatore e l'inchiostro. Riferimenti a nº US-2152436.

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current16:04, 30 June 2012Thumbnail for version as of 16:04, 30 June 20121,159 × 1,704, 4 pages (231 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Leon H. Ashmore |Assignee=The Esterbrook Steel Pen Manfacturing Co. |Country=US |ApplicationNum=249236 |ApplicationDate=1939-01-04 |PatentNum=2176661 |PatentDate=1939-10-17 |PriorityDate=1939-01-04 |Titolo=Fountain pen |Marca=Est...
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Facts about "Patent-US-2176661.pdf"
Application dateJanuary 4, 1939 +
Application number249236 +
Assigned toThe Esterbrook Steel Pen Manfacturing Co. +
Invented byLeon H. Ashmore +
Mention patentFile:Patent-US-2152436.pdf +
Patent dateOctober 17, 1939 +
Patent descriptionDispositivo anti-bolle +
Patent number2176661 +
Patent titleFountain pen +
Patented byEsterbrook +
Patented inUS +
Priority dateJanuary 4, 1939 +