File:Patent-US-2799247.pdf

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Original file(1,159 × 1,704 pixels, file size: 340 KB, MIME type: application/pdf, 5 pages)
Inventor

Lynn P. Martin

Assignee

W. A. Sheaffer Pen Company

Country

US

Application N°

433520

Application Date

1954-06-01

Patent N°

2799247

Brevettato

1957-07-16

Priorità

1954-06-01

Brand

Sheaffer

Title

Writing implements

Description

Meccanismo snorkel filler

Riferimenti esterni

Informazioni

Brevetto per una variante dello snorkel filler adattato ad una penna a pennino coperto tipo Parker 51, non ne è nota nessuna realizzazione pratica. Estensione del brevetto n° US-2769427. Riferimento a nº US-1007619, nº US-1548502, nº US-1864050, nº US-RE23683, nº GB-190821631 e nº GB-114801.

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current01:23, 21 July 2012Thumbnail for version as of 01:23, 21 July 20121,159 × 1,704, 5 pages (340 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Lynn P. Martin |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=433520 |ApplicationDate=1954-06-01 |PatentNum=2799247 |PatentDate=1957-07-16 |PriorityDate=1954-06-01 |Titolo=Writing implements |Marca=Sheaffer |Des...
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