Patent FR-1911-428999

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  • Tech classification: CPC B64C11/04: Blade mountings
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Year filed 1911
Year granted 1911
Office FR
Patent number 428999
Inventors Ernoult Zephirin
Inventor country FR
Applicant person Ernoult Zephirin
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Hélice pour la navigation aérienne
English title Propeller for aerial navigation
Tech fields aerial propeller
Filing date 1911-04-27
Full specification filed date
Application number 428999D
Grant date 1911-09-12
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories
IPCs
CPCs CPC B64C11/04
Family year 1911
First filing? 1
Cites these patents
Citations from after 1930 1
Application ID 19247707
INPADOC family ID 5320088
Number of text pages
Number of diagram pages
Number of figures
Number of claims