File:Patent-GB-478651.pdf

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Original file(1,295 × 1,752 pixels, file size: 313 KB, MIME type: application/pdf, 4 pages)
Inventor

William F. Johnson

Assignee

The Mentmore Manufacturing Company Limited

Country

GB

Application N°

20164/36

Application Date

1936-07-21

Patent N°

478651

Brevettato

1938-01-21

Priorità

1936-07-21

Brand

Mentmore

Title

Improvements in or relating to fountain pens

Description

Blocco afflusso inchiostro

Riferimenti esterni

Informazioni

Brevetto per un meccanismo di bloccaggio del flusso a penna chiusa grazie a una spina interna al cappuccio che si innesta in un canale dell'alimentatore. Stessa invenzione di nº BE-422774. Stessa invenzione di nº FR-824603. Stessa invenzione di nº US-2129134. Stessa invenzione di nº CA-383265. Si tenga presente che questo corrisponde solo ad una parte dei brevetti citati, che sono una somma di questo e nº GB-491876.

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current02:05, 28 November 2013Thumbnail for version as of 02:05, 28 November 20131,295 × 1,752, 4 pages (313 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=William F. Johnson |Assignee=The Mentmore Manufacturing Company Limited |Country=GB |ApplicationNum=20164/36 |ApplicationDate=1936-07-21 |PatentNum=478651 |PatentDate=1938-01-21 |PriorityDate=1936-07-21 |Titolo=Improvements in or...
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Metadata

Facts about "Patent-GB-478651.pdf"
Application dateJuly 21, 1936 +
Application number20164/36 +
Assigned toThe Mentmore Manufacturing Company Limited +
Invented byWilliam F. Johnson +
Patent dateJanuary 21, 1938 +
Patent descriptionBlocco afflusso inchiostro +
Patent number478651 +
Patent titleImprovements in or relating to fountain pens +
Patented byMentmore +
Patented inGB +
Priority dateJuly 21, 1936 +
Same invention ofFile:Patent-BE-422774.pdf +, File:Patent-FR-824603.pdf +, File:Patent-US-2129134.pdf + and File:Patent-CA-383265.pdf +