Patent DE-1909-251784

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  • Inventor location: Villeurbanne, France (Lebreil); Lyon, France (Desgeorge); Vesoul, France (Thomassin)

Sources


Year filed 1909
Year granted 1912
Office DE
Patent number 251784
Inventors François Lebreil, Raoul Desgeorge, Charles Thomassin
Inventor country FR
Applicant person François Lebreil, Raoul Desgeorge, Charles Thomassin
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Flugzeug mit quer zur Flugrichtung gewölbten Tragflächen und vorn gelagerter schwenkbarer Schraube
English title Airplane with wings curved transversely to the direction of flight and pivoting screw at the front
Tech fields whole, wings,airplane
Filing date 1909-11-25
Full specification filed date
Application number
Grant date 1912-10-09
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories DE 77h.5
IPCs IPC B64C9/00
CPCs CPC B64C9/00
Family year 1909
First filing? 1
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 2
Number of diagram pages 1
Number of figures 3
Number of claims 1