Patent FR-1913-459222

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This is identical to Patent GB-1913-11999 and Patent HU-1913-63964 and Patent AT-1913-66955 and Patent CH-1913-64628, the AT and the CH sharing the same filing date, that is 1913-05-17, with Patent AT-1913-66955 being treated as the parent parent. A Russian predecessor would be ideal.

Sources

In France "Sergei" is treated as "Serge".


Year filed 1913
Year granted 1913
Office FR
Patent number 459222
Inventors Serge Tscherwinsky
Inventor country RU
Applicant person Sergei Tscherwinsky
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Dispositif de stabilisation pour aéroplanes
English title Airplane stability device
Tech fields Airplane, Stability, Automatic stability
Filing date 1913-06-13
Full specification filed date
Application number 459222D
Grant date 1913-08-30
Granted? 1
Publication date 1913-10-30
Supplementary to patent Patent AT-1913-66955
Related to aircraft? 1
Serial number
Patent agent Hippolyte Josse
Assigned to
National tech categories FR 6.4
IPCs IPC B64C1/00
CPCs CPC B64C2700/6228, CPC B64C1/00
Family year 1913
First filing? 0
Cites these patents
Citations from after 1930
Application ID 19277256
INPADOC family ID 5345311
Number of text pages 2
Number of diagram pages 1
Number of figures 3
Number of claims 2