Patent FR-1912-432031.15474

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This is an addition to Patent FR-1911-432031, which brevet was filed 1911-07-07.

Wing valves are opened and closed in response to measurement of wind pressure.


Year filed 1912
Year granted 1912
Office FR
Patent number 15474
Inventors Michael Rukawischnikoff
Inventor country RU
Applicant person Michael Rukawischnikoff
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Aéroplane
English title Airplane
Tech fields airplane, wings, aerodynamics, subsystem, chains
Filing date 1912/02/16
Full specification filed date
Application number 15474D
Grant date 1912/05/03
Granted? Yes
Publication date 1912/07/18
Supplementary to patent Patent FR-1911-432031
Related to aircraft? Yes
Serial number
Patent agent G. de Mestral et F. Harlé
Assigned to
National tech categories FR 6.4
IPCs IPC B64C3/54
CPCs CPC B64C3/54
Family year 1911
First filing? No
Cites these patents
Citations from after 1930
Application ID 18726065
INPADOC family ID 5199536
Number of text pages 1
Number of diagram pages 1
Number of figures 1
Number of claims 1