Patent FR-1919-510190

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  • Inventor location: 132 ave du Maine, Paris, Seine, France

Year filed 1919
Year granted 1920
Office FR
Patent number 510190
Inventors Antoine-Padoue Filippi
Inventor country FR
Applicant person Antoine-Padoue Filippi
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Propulseur à haut rendement
English title Propeller of high power and efficiency
Tech fields propellers, propulsion
Filing date July 12, 1919
Full specification filed date
Application number
Grant date August 30, 1920
Granted? Yes
Publication date November 29, 1920
Supplementary to patent
Related to aircraft? Partially
Serial number
Patent agent Dom. Casalonga
Assigned to
National tech categories FR 6.2
IPCs IPC B63H1/12
CPCs CPC B63H1/26, CPC B64C11/18
Family year
First filing? No
Cites these patents
Citations from after 1930
Application ID
Number of text pages 2
Number of diagram pages 2
Number of figures 11
Number of claims