Patent AT-1915-79255

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Arrangement of biplane, including propellers, for stability.

Based on a German patent filed 21 October 1914.

Note, this patent uses the newer term "Flugzeug" (alone and as a compound, Flugzeugrumpf).


Year filed 1915
Year granted 1919
Office AT
Patent number 79255
Inventors Oskar Ursinus
Inventor country DE
Applicant person
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Doppeldecker
English title Biplane
Tech fields airplane, biplane, stability, propulsion, Flugzeug, whole
Filing date 1915-11-02
Full specification filed date
Application number
Grant date 1919-05-15
Granted? 1
Publication date 1919-12-10
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories AT 77d
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 1
Number of claims 2