File:Patent-US-2218536.pdf

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Original file(1,159 × 1,704 pixels, file size: 429 KB, MIME type: application/pdf, 7 pages)
Inventor

Henry C. Klagges

Assignee

The Esterbrook Steel Pen Manfacturing Co.

Country

US

Application N°

250585

Application Date

1939-01-12

Patent N°

2218536

Brevettato

1940-10-22

Priorità

1939-01-12

Brand

Esterbrook

Title

Fountain pen

Description

Caricamento a sfiatatoio

Riferimenti esterni

Informazioni

Brevetto per una variante di caricamento a sfiatatoio manovrato da un pulsante trasparente di pompaggio.

File history

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current21:05, 7 April 2020Thumbnail for version as of 21:05, 7 April 20201,159 × 1,704, 7 pages (429 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Henry C. Klagges |Assignee=The Esterbrook Steel Pen Manfacturing Co. |Country=US |ApplicationNum=250585 |ApplicationDate=1939-01-12 |PatentNum=2218536 |PatentDate=1940-10-22 |PriorityDate=1939-01-12 |Titolo=Fountain pen |Marca=Es...
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Metadata

Fatti riguardanti Patent-US-2218536.pdf
Application dategennaio 12, 1939 +
Application number250585 +
Assigned toThe Esterbrook Steel Pen Manfacturing Co. +
Invented byHenry C. Klagges +
Patent dateottobre 22, 1940 +
Patent descriptionCaricamento a sfiatatoio +
Patent number2218536 +
Patent titleFountain pen +
Patented byEsterbrook +
Patented inUS +
Priority dategennaio 12, 1939 +