File:Patent-US-2228250.pdf

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Original file(1,159 × 1,704 pixels, file size: 133 KB, MIME type: application/pdf, 3 pages)
Inventor

Leon H. Ashmore

Assignee

The Esterbrook Steel Pen Manfacturing Co.

Country

US

Application N°

38024

Application Date

1935-08-27

Patent N°

2228250

Brevettato

1941-01-14

Priorità

1935-08-27

Brand

Esterbrook

Title

Manufacture of writing pens

Description

Pennino economico

Riferimenti esterni

Informazioni

Brevetto per la produzione di un pennino economico. Riferimenti a n° US-2037699.

File history

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current23:27, 6 August 2012Thumbnail for version as of 23:27, 6 August 20121,159 × 1,704, 3 pages (133 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Leon H. Ashmore |Assignee=The Esterbrook Steel Pen Manfacturing Co. |Country=US |ApplicationNum=38024 |ApplicationDate=1935-08-27 |PatentNum=2228250 |PatentDate=1941-01-14 |PriorityDate=1935-08-27 |Titolo=Manufacture of writing p...
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Fatti riguardanti Patent-US-2228250.pdf
Application dateagosto 27, 1935 +
Application number38024 +
Assigned toThe Esterbrook Steel Pen Manfacturing Co. +
Invented byLeon H. Ashmore +
Mention patentFile:Patent-US-2037699.pdf +
Patent dategennaio 14, 1941 +
Patent descriptionPennino economico +
Patent number2228250 +
Patent titleManufacture of writing pens +
Patented byEsterbrook +
Patented inUS +
Priority dateagosto 27, 1935 +
Used for featurePennino +