File:Patent-FR-823477.pdf

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Original file(1,295 × 1,752 pixels, file size: 179 KB, MIME type: application/pdf, 3 pages)
Inventor

Assegnatario

Assignee

Établissements Unic

Country

FR

Application N°

823477

Application Date

1937-06-22

Patent N°

823477

Brevettato

1938-01-20

Priorità

1937-06-22

Brand

Unic

Title

Perfectionnement aux porte-plume réservoirs

Description

Compensatore pressione

Riferimenti esterni

Informazioni

Brevetto per un sistema per evitare perdite di inchiostro dovute alla pressione dell'aria contenuta nel corpo quando la penna è parzialmente vuota.

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current02:32, 26 August 2012Thumbnail for version as of 02:32, 26 August 20121,295 × 1,752, 3 pages (179 KB)Piccardi (talk | contribs){{PatentInfo |Assignee=Établissements Unic |Country=FR |ApplicationNum=823477 |ApplicationDate=1937-06-22 |PatentNum=823477 |PatentDate=1938-01-20 |PriorityDate=1937-06-22 |Titolo=Perfectionnement aux porte-plume réservoirs |Marca=Unic |Descrizione=S...
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Facts about "Patent-FR-823477.pdf"
Application dateJune 22, 1937 +
Application number823477 +
Assigned toÉtablissements Unic +
Patent dateJanuary 20, 1938 +
Patent descriptionCompensatore pressione +
Patent number823477 +
Patent titlePerfectionnement aux porte-plume réservoirs +
Patented byUnic +
Patented inFR +
Priority dateJune 22, 1937 +