File:Patent-US-2123110.pdf

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Original file(1,159 × 1,704 pixels, file size: 123 KB, MIME type: application/pdf, 3 pages)
Inventor

William F. Johnson

Assignee

The Mentmore Manufacturing Co. Limited

Country

US

Application N°

154287

Application Date

1937-06-01

Patent N°

2123110

Brevettato

1938-07-05

Priorità

1936-06-06

Brand

Mentmore

Title

Self-filling fountain pen

Description

Sistema di caricamento

Riferimenti esterni

Informazioni

Brevetto per una variante di sistema di caricamento a sfiatatoio in cui la depressione viene ottenuta con un meccanismo simile al Touch Down che opera sulla pompetta. Priorità dal brevetto inglese. Stessa invenzione di nº GB-475970. Stessa invenzione di nº FR-822628. Stessa invenzione di nº CA-382339.

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current01:38, 17 July 2012Thumbnail for version as of 01:38, 17 July 20121,159 × 1,704, 3 pages (123 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=William F. Johnson |Assignee=The Mentmore Manufacturing Co. Limited |Country=US |ApplicationNum=154287 |ApplicationDate=1937-06-01 |PatentNum=2123110 |PatentDate=1938-07-05 |PriorityDate=1936-06-06 |Titolo=Self-filling fountain p...
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Fatti riguardanti Patent-US-2123110.pdf
Application dategiugno 1, 1937 +
Application number154287 +
Assigned toThe Mentmore Manufacturing Co. Limited +
Invented byWilliam F. Johnson +
Patent dateluglio 5, 1938 +
Patent descriptionSistema di caricamento +
Patent number2123110 +
Patent titleSelf-filling fountain pen +
Patented byMentmore +
Patented inUS +
Priority dategiugno 6, 1936 +
Same invention ofFile:Patent-GB-475970.pdf +, File:Patent-FR-822628.pdf + e File:Patent-CA-382339.pdf +