Patent FR-1910-410067

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See also Patent FR-1910-415046, a subsequent airplane design.


  • {{esp|FR|410067A espacenet]
Year filed 1909
Year granted 1910
Office FR
Patent number 410067
Inventors Oswald François Leopold Keun
Inventor country EG
Applicant person
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Aéroplane
English title Airplane
Tech fields airplane, frame, stability, airfoil, aileron, navigation
Filing date December 6, 1909
Full specification filed date
Application number 410067D
Grant date March 5, 1910
Granted? Yes
Publication date May 10, 1910
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent Charles Dony
Assigned to
National tech categories FR 6.4
CPCs CPC B64C2700/6295, CPC B64C39/00
Family year 1909
First filing? No
Number of citations
Cited by
Application ID 19229185
INPADOC family ID 5304139
Number of text pages 2
Number of diagram pages 1
Number of figures 4
Number of claims 3