File:Patent-GB-471612.pdf

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Original file(1,295 × 1,752 pixels, file size: 307 KB, MIME type: application/pdf, 4 pages)
Inventor

Edward G. Knight

Assignee

Thomas De La Rue and Company

Country

GB

Application N°

10400/36

Application Date

1936-04-08

Patent N°

471612

Brevettato

1937-09-08

Priorità

1936-04-08

Brand

Onoto

Title

Improvements in or relating to self-filling fountain pens

Description

Sistema di caricamento

Riferimenti esterni

Informazioni

Brevetto per un meccanismo di compressione di un sacchetto di gomma tramite un pulsante sul fondello che aziona una sorta di pinzetta interna alla penna, usabile sia come sostituto del classico pulsante di fondo, che come meccanismo di pompaggio per un caricamento a sfiatatoio in stile Vacumatic.

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current18:55, 1 July 2012Thumbnail for version as of 18:55, 1 July 20121,295 × 1,752, 4 pages (307 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Edward G. Knight |Assignee=Thomas De La Rue and Company |Country=GB |ApplicationNum=10400/36 |ApplicationDate=1936-04-08 |PatentNum=471612 |PatentDate=1937-09-08 |PriorityDate=1936-04-08 |Titolo=Improvements in or relating to sel...
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Fatti riguardanti Patent-GB-471612.pdf
Application dateaprile 8, 1936 +
Application number10400/36 +
Assigned toThomas De La Rue and Company +
Invented byEdward G. Knight +
Patent datesettembre 8, 1937 +
Patent descriptionSistema di caricamento +
Patent number471612 +
Patent titleImprovements in or relating to self-filling fountain pens +
Patented byDe La Rue - Onoto +
Patented inGB +
Priority dateaprile 8, 1936 +
Used for featureButton filler + e Vacumatic filler +