File:Patent-GB-527422.pdf

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Original file(1,295 × 1,752 pixels, file size: 240 KB, MIME type: application/pdf, 3 pages)
Inventor

Leslie William Johnson, Edward Stephen Sears

Assignee

Mabie, Todd & Company Limited

Country

GB

Application N°

29499/39

Application Date

1939-03-06

Patent N°

527422

Brevettato

1940-10-08

Priorità

1939-03-06

Brand

Swan

Title

Improvements in or relating to self-filling fountain pens

Description

Blocco afflusso inchiostro

Riferimenti esterni

Informazioni

Brevetto per un sistema di blocco dell'afflusso di inchiostro a penna chiusa, azionato dal cappuccio, una sorta di risposta all'Ink Shut-off della Eversharp. Riferimenti a nº GB-514513.

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current15:47, 25 April 2013Thumbnail for version as of 15:47, 25 April 20131,295 × 1,752, 3 pages (240 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Leslie William Johnson, Edward Stephen Sears |Assignee=Mabie, Todd & Company Limited |Country=GB |ApplicationNum=29499/39 |ApplicationDate=1939-03-06 |PatentNum=527422 |PatentDate=1940-10-08 |PriorityDate=1939-03-06 |Titolo=Impro...
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Metadata

Fatti riguardanti Patent-GB-527422.pdf
Application datemarzo 6, 1939 +
Application number29499/39 +
Assigned toMabie, Todd & Company Limited +
Invented byLeslie William Johnson + e Edward Stephen Sears +
Mention patentFile:Patent-GB-514513.pdf +
Patent dateottobre 8, 1940 +
Patent descriptionBlocco afflusso inchiostro +
Patent number527422 +
Patent titleImprovements in or relating to self-filling fountain pens +
Patented bySwan +
Patented inGB +
Priority datemarzo 6, 1939 +
Used for featureInk Shut-Off +