Patent FR-1910-431231

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  • Tech class CPC B64C11/30: Blade pitch-changing mechanisms
  • Inventor location: Gironde

Sources


Year filed 1910
Year granted 1911
Office FR
Patent number 431231
Inventors Guy d'Eichthal, Pierre Lescarret
Inventor country FR
Inventor location Gironde
Applicant person Guy d'Eichthal, Pierre Lescarret
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Hélice à voiles, à pas croissant automatiquement, pour la navigation aérienne et autres applications
English title Sail propeller, automatically increasing in pitch, for air navigation and other applications
Tech fields aerial propeller, sail, propulsion
Filing date 1910/09/05
Full specification filed date
Application number 431231D
Grant date 1911/09/06
Granted? Yes
Publication date 1911/11/06
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent Brandon frères
Assigned to
National tech categories FR 6.4
IPCs IPC B64C11/30
CPCs CPC B64C11/30
Family year 1910
First filing? Yes
Cites these patents
Citations from after 1930 0
Application ID 19249891
INPADOC family ID 5321992
Number of text pages 2
Number of diagram pages 1
Number of figures 15
Number of claims 1