File:Patent-GB-638420.pdf

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Original file(1,295 × 1,752 pixels, file size: 241 KB, MIME type: application/pdf, 3 pages)
Inventor

Assegnatario

Assignee

Etablissement Stylomine

Country

GB

Application N°

9323/47

Application Date

1947-04-08

Patent N°

638420

Brevettato

1950-06-07

Priorità

1946-04-11

Brand

Stylomine

Title

Improvements in or relating to multiple lead pencils

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per una matita meccanica multipla. Priorità dal brevetto francese. Stessa invenzione di nº FR-926468. Stessa invenzione di nº US-2517522. Stessa invenzione di nº CH-259468. Stessa invenzione di nº BE-472348.

File history

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current02:02, 10 December 2013Thumbnail for version as of 02:02, 10 December 20131,295 × 1,752, 3 pages (241 KB)Piccardi (talk | contribs){{PatentInfo |Assignee=Etablissement Stylomine |Country=GB |ApplicationNum=9323/47 |ApplicationDate=1947-04-08 |PatentNum=638420 |PatentDate=1950-06-07 |PriorityDate=1946-04-11 |Titolo=Improvements in or relating to multiple lead pencils |Marca=Stylomi...
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Metadata

关于“Patent-GB-638420.pdf”的事实
Application date1947年4月8日 (二) +
Application number9323/47 +
Assigned toEtablissement Stylomine +
Patent date1950年6月7日 (三) +
Patent descriptionMatita meccanica +
Patent number638420 +
Patent titleImprovements in or relating to multiple lead pencils +
Patented byStylomine +
Patented inGB +
Priority date1946年4月11日 (四) +
Same invention ofFile:Patent-FR-926468.pdf +File:Patent-US-2517522.pdf +File:Patent-CH-259468.pdf +File:Patent-BE-472348.pdf +