File:Patent-US-2430023.pdf

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Original file(1,159 × 1,704 pixels, file size: 724 KB, MIME type: application/pdf, 10 pages)
Inventor

Sydney E. Longmaid

Assignee

The Esterbrook Pen Company

Country

US

Application N°

519954

Application Date

1944-01-27

Patent N°

2430023

Brevettato

1947-11-04

Priorità

1944-01-27

Brand

Esterbrook

Title

Writing implement

Description

Pennino economico

Riferimenti esterni

Informazioni

Brevetto per un pennino estremamente economico composto da due striscioline di metallo. Riferimenti a nº US-2037699, nº US-2159002, nº US-2159003, nº US-2228250; nº US-776951, nº US-1284525, nº US-1335580, nº US-1917185, nº US-2011516, nº US-2149557, nº US-2252907, nº US-2305287, nº US-2316478, nº US-2316479, nº US-2328116 e nº US-2329996, ed inoltre nº GB-191126585.

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current17:23, 30 June 2012Thumbnail for version as of 17:23, 30 June 20121,159 × 1,704, 10 pages (724 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Sydney E. Longmaid |Assignee=The Esterbrook Pen Company |Country=US |ApplicationNum=519954 |ApplicationDate=1944-01-27 |PatentNum=2430023 |PatentDate=1947-11-04 |PriorityDate=1944-01-27 |Titolo=Writing implement |Marca=Esterbrook...
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