Patent FR-1917-482437

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(This features, among other things, a greater propeller structure analogous to a wheel or turbine.)

  • Inventor location: Seine-Inférieure, France


Year filed 1915
Year granted 1917
Office FR
Patent number 482437
Inventors Charles-Alphonse Vallot
Inventor country FR
Inventor location
Applicant person Charles-Alphonse Vallot
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Hélice pour navigation aérienne ou marine
English title Propeller of both aerial and marine application
Tech fields propellers, cables
Filing date July 8, 1915
Full specification filed date
Application number 482437D
Grant date December 28, 1916
Granted? Yes
Publication date March 20, 1917
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent Hippolyte Josse
Assigned to
National tech categories FR 6.4
IPCs IPC B64C11/00
CPCs CPC B64C11/006
Family year 1915
First filing? No
Cites these patents
Citations from after 1930
Application ID 19299877
INPADOC family ID 5364492
Number of text pages 2
Number of diagram pages 1
Number of figures 3
Number of claims 3