Patent FR-1912-450332

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Year filed 1912
Year granted 1913
Office FR
Patent number 450332
Inventors Léon Lambert
Inventor country BE
Applicant person Léon Lambert
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Ailes portantes se transformant en stabilisateur avec appareil de gauchissement dit « treuil mixte » pour aéroplane
English title Wings transforming into stabilizer with warping device called "mixed winch" for airplanes
Tech fields airplane, wings, wing warping, design, stability, aerodynamics, landing
Filing date 1912/11/08
Full specification filed date
Application number 450332D
Grant date 1913/01/16
Granted? Yes
Publication date 1913/03/21
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent Ch. Mardelet
Assigned to
National tech categories FR 6.4
IPCs IPC B64C1/00, IPC B64C17/00
CPCs CPC B64C2700/6218, CPC B64C17/00
Family year 1912
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 19268580
INPADOC family ID 5337870
Number of text pages 3
Number of diagram pages 1
Number of figures 12
Number of claims 1