Patent BE-1910-230691

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Patent BE-1910-230691


RdBdI 1910

"L’appareil comporte, outre l’hélice de propulsive, une hélice sustentatrice horizontal actionnée par un second moteur."

That is, "The apparatus consists of, beyond the blade (propeller) of propulsion, a blade of lift or ascension manifest by way of a second motor".

  • Inventor location: 93 rue de Courcelles, Paris, Seine, France
Year filed 1910
Year granted 1910
Office BE
Patent number 230691
Inventors P. Ducastel
Inventor country FR
Applicant person P. Ducastel
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Aéroplaneur
English title Winged helicopter hybrid
Tech fields wings, propellers, hybrid, helicopter, motors
Filing date November 24, 1910
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Granted? Yes
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Supplementary to patent
Related to aircraft? Yes
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National tech categories BE K
Family year 1910
First filing? No
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