File:Patent-US-2136290.pdf

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Original file(1,159 × 1,704 pixels, file size: 265 KB, MIME type: application/pdf, 5 pages)
Inventor

Kurt Fend

Assignee

Kurt Fend

Country

US

Application N°

83394

Application Date

1936-06-03

Patent N°

2136290

Brevettato

1938-11-08

Priorità

1935-06-11

Brand

Fend

Title

Interchangeable lead pencil

Description

Matita meccanica multipla

Riferimenti esterni

Informazioni

Brevetto per una matita meccanica multipla. Priorità dal brevetto tedesco, in data del giorno prima. Stessa invenzione di nº DE-652024. Stessa invenzione di nº FR-807275. Stessa invenzione di nº GB-474736. Stessa invenzione di nº CH-193646. Stessa invenzione di nº AT-149225.

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current01:21, 12 December 2013Thumbnail for version as of 01:21, 12 December 20131,159 × 1,704, 5 pages (265 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Kurt Fend |Assignee=Kurt Fend |Country=FR |ApplicationNum=83394 |ApplicationDate=1936-06-03 |PatentNum=2136290 |PatentDate=1938-11-08 |PriorityDate=1935-06-11 |Titolo= Interchangeable lead pencil |Marca=Fend |Descrizione=Matita ...
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