Patent FR-1910-431501

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Year filed 1910
Year granted 1911
Office FR
Patent number 431501
Inventors Lucien Chauvière
Inventor country FR
Applicant person Lucien Chauvière‎‎
Applicant firm
Applicant type INDIV
Applicant is inventor? No
Original title Hélice à bord antérieur dorsal en biseau
English title Propeller with beveled dorsal anterior edge
Tech fields Propellers, design, aerodynamics
Filing date 1910/09/13
Full specification filed date
Application number 431501D
Grant date 1911/09/14
Granted? Yes
Publication date 1911/11/13
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent Armengaud jeune
Assigned to
National tech categories FR 6.4
IPCs IPC B64C11/16
CPCs CPC B64C11/16
Family year 1910
First filing? No
Cites these patents
Citations from after 1930
Application ID 19250157
INPADOC family ID 5322221
Number of text pages 1
Number of diagram pages 1
Number of figures 1
Number of claims 1