File:Patent-FR-570444.pdf

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Original file(1,295 × 1,752 pixels, file size: 157 KB, MIME type: application/pdf, 3 pages)
Inventor

Karl Fend

Assignee

Karl Fend

Country

FR

Application N°

570444

Application Date

1923-07-28

Patent N°

570444

Brevettato

1924-04-30

Priorità

1923-07-28

Brand

Fend

Title

Porte-mine

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per una matita meccanica. Stessa invenzione di nº GB-220435.

File history

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Date/TimeThumbnailDimensionsUserComment
current23:57, 14 December 2013Thumbnail for version as of 23:57, 14 December 20131,295 × 1,752, 3 pages (157 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Karl Fend |Assignee=Karl Fend |Country=FR |ApplicationNum=570444 |ApplicationDate=1923-07-28 |PatentNum=570444 |PatentDate=1924-04-30 |PriorityDate=1923-07-28 |Titolo=Porte-mine |Marca=Fend |Descrizione=Matita meccanica }} ==Info...
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Metadata

关于“Patent-FR-570444.pdf”的事实
Application date1923年7月28日 (六) +
Application number570444 +
Assigned toKarl Fend +
Invented byKarl Fend +
Patent date1924年4月30日 (三) +
Patent descriptionMatita meccanica +
Patent number570444 +
Patent titlePorte-mine +
Patented byFend +
Patented inFR +
Priority date1923年7月28日 (六) +
Same invention ofFile:Patent-GB-220435.pdf +