Patent FR-1909-407496

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Year filed 1909
Year granted 1910
Office FR
Patent number 407496
Inventors Charles-Alexandre de Lambert
Inventor country FR
Applicant person Charles-Alexandre de Lambert
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Dispositif de gouvernail de profondeur pour aéroplanes
English title Depth rudder device for airplanes
Tech fields airplane, rudder, control, steering, ascension, descent
Filing date 1909/09/30
Full specification filed date
Application number 407496D
Grant date 1910/01/04
Granted? Yes
Publication date 1910/03/01
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent Émile Klotz
Assigned to
National tech categories FR 6.4
IPCs IPC B64C13/00
CPCs CPC B64C13/00, CPC B64C2700/6256
Family year 1909
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 19226666
INPADOC family ID 5303098
Number of text pages 2
Number of diagram pages
Number of figures
Number of claims 1