File:Patent-GB-424069.pdf

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Original file(1,295 × 1,752 pixels, file size: 565 KB, MIME type: application/pdf, 6 pages)
Inventor

James Jeff

Assignee

Conway Stewart & Co., James Jeff

Country

GB

Application N°

25761/33

Application Date

1933-09-18

Patent N°

424069

Brevettato

1935-02-14

Priorità

1933-09-18

Brand

Conway Stewart

Title

Improvements in or relating to mechanically operated lead pencils

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per una matita meccanica.

File history

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current19:52, 27 October 2013Thumbnail for version as of 19:52, 27 October 20131,295 × 1,752, 6 pages (565 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=James Jeff |Assignee=Conway Stewart & Co., James Jeff |Country=GB |ApplicationNum=25761/33 |ApplicationDate=1933-09-18 |PatentNum=424069 |PatentDate=1935-02-14 |PriorityDate=1933-09-18 |Titolo=Improvements in or relating to mecha...
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Metadata

Facts about "Patent-GB-424069.pdf"
Application dateSeptember 18, 1933 +
Application number25761/33 +
Assigned toConway Stewart & Co., James Jeff +
Invented byJames Jeff +
Patent dateFebruary 14, 1935 +
Patent descriptionMatita meccanica +
Patent number424069 +
Patent titleImprovements in or relating to mechanically operated lead pencils +
Patented byConway Stewart +
Patented inGB +
Priority dateSeptember 18, 1933 +