File:Patent-US-2152436.pdf

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Original file(1,159 × 1,704 pixels, file size: 212 KB, MIME type: application/pdf, 4 pages)
Inventor

Leon H. Ashmore

Assignee

The Esterbrook Steel Pen Manfacturing Co.

Country

US

Application N°

176404

Application Date

1937-11-26

Patent N°

2152436

Brevettato

1939-03-28

Priorità

1937-11-26

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.

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current17:00, 30 June 2012Thumbnail for version as of 17:00, 30 June 20121,159 × 1,704, 4 pages (212 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Leon H. Ashmore |Assignee=The Esterbrook Steel Pen Manfacturing Co. |Country=US |ApplicationNum=176404 |ApplicationDate=1937-11-26 |PatentNum=2152436 |PatentDate=1939-03-28 |PriorityDate=1937-11-26 |Titolo=Fountain pen |Marca=Est...
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Fatti riguardanti Patent-US-2152436.pdf
Application datenovembre 26, 1937 +
Application number176404 +
Assigned toThe Esterbrook Steel Pen Manfacturing Co. +
Invented byLeon H. Ashmore +
Patent datemarzo 28, 1939 +
Patent descriptionDispositivo anti-bolle +
Patent number2152436 +
Patent titleFountain pen +
Patented byEsterbrook +
Patented inUS +
Priority datenovembre 26, 1937 +