Patent FR-1917-492990

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This is an electrified sphere aiding stability, possibly a gyroscope. The term girouette ("vane"?) appears in the text.

Sources


Year filed 1917
Year granted 1919
Office FR
Patent number 492990
Inventors Alexandre Murat
Inventor country FR
Applicant person Alexandre Murat
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Instrument pour réaliser la stabilisation automatique dynamique des aéroplanes et des vaisseaux pouvant s'appliquer en outre à d'autres usages
English title Instrument of dynamic automatic stabilization of aeroplanes and ships
Tech fields stability, marine, airplane, automatic stability, gyroscope, electricity
Filing date 1917/06/29
Full specification filed date
Application number 492990D
Grant date 1919/04/12
Granted? Yes
Publication date 1919/07/26
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories FR 12.3
IPCs IPC B64C17/00
CPCs CPC B64C2700/6212, CPC B64C17/00
Family year 1917
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 19310190
INPADOC family ID 5373769
Number of text pages 7
Number of diagram pages 1
Number of figures 12
Number of claims 1