File:Patent-GB-514513.pdf

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Original file(1,295 × 1,752 pixels, file size: 736 KB, MIME type: application/pdf, 10 pages)
Inventor

Leslie William Johnson, Edward Stephen Sears

Assignee

Mabie, Todd & Company Limited

Country

GB

Application N°

10691/38

Application Date

1938-04-07

Patent N°

514513

Brevettato

1939-11-10

Priorità

1938-04-07

Brand

Swan

Title

Improvements in or relating to self-filling fountain pens

Description

Sistema di caricamento

Riferimenti esterni

Informazioni

Brevetto per un sistema di caricamento a sfiatatoio, una variante del Visofil, usato sulle Blackbird Topfiller.

File history

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current15:22, 25 April 2013Thumbnail for version as of 15:22, 25 April 20131,295 × 1,752, 10 pages (736 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Leslie William Johnson, Edward Stephen Sears |Assignee=Mabie, Todd & Company Limited |Country=GB |ApplicationNum=10691/38 |ApplicationDate=1938-04-07 |PatentNum=514513 |PatentDate=1939-11-10 |PriorityDate=1938-04-07 |Titolo=Impro...
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Metadata

Facts about "Patent-GB-514513.pdf"
Application dateApril 7, 1938 +
Application number10691/38 +
Assigned toMabie, Todd & Company Limited +
Invented byEdward Stephen Sears + and Leslie William Johnson +
Patent dateNovember 10, 1939 +
Patent descriptionSistema di caricamento +
Patent number514513 +
Patent titleImprovements in or relating to self-filling fountain pens +
Patented bySwan +
Patented inGB +
Priority dateApril 7, 1938 +
Used for featureVisofil filler +
Used for modelBlackbird Topfiller +