Patent AT-1912-57527

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Elastic secondary wings ("Hilfsflügel") underneath main wings of an airplane.

  • Inventor location: Wien


Year filed 1910
Year granted 1912
Office AT
Patent number 57527
Inventors Fritz Edelstein
Inventor country AT
Applicant person
Applicant firm
Applicant type
Applicant is inventor? 1
Original title Steuerungseinrichtung für Flugzeuge
English title Steering system for airplanes
Tech fields airplane, Flugzeug, navigation, piloting, airfoil, aerodynamics, stability
Filing date 1910-11-26
Full specification filed date
Application number
Grant date 1913-08-15
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories AT 77d
IPCs IPC B64C9/08
Family year
First filing?
Cites these patents
Citations from after 1930
Application ID
Number of text pages 1
Number of diagram pages 1
Number of figures 3
Number of claims