Patent FR-1913-459470

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Reference is made herein specifically to what we have designated as Patent AT-1912-63049.


Year filed 1913
Year granted 1913
Office FR
Patent number 459470
Inventors Ludwig Schmidl
Inventor country DE
Applicant person Ludwig Schmidl
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Aéroplane à surfaces sustentatrices rotatives ou déplacables
English title Airplane with moveable or rotating surfaces, that is, flapping wings
Tech fields Airplane, Wings, Flapping, Lift, Propulsion, Sustentation
Filing date 1913-06-19
Full specification filed date
Application number 459470D
Grant date 1913-09-06
Granted? 1
Publication date 1913-11-06
Supplementary to patent Patent AT-1912-63049
Related to aircraft? 1
Serial number
Patent agent Société A. Frey et de Carsalade
Assigned to
National tech categories FR 6.4
IPCs IPC B64C3/52
CPCs CPC B64C3/52, CPC B64C2700/6245
Family year 1912
First filing? 0
Cites these patents
Citations from after 1930
Application ID 19277502
INPADOC family ID 5345519
Number of text pages 4
Number of diagram pages 2
Number of figures 24
Number of claims 22