Patent GB-1913-11999

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This is identical to Patent HU-1913-63964 and Patent FR-1913-459222 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


Year filed 1913
Year granted 1913
Office GB
Patent number 11999
Inventors Sergei Tscherwinsky
Inventor country RU
Inventor location
Applicant person Sergei Tscherwinsky
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Improvements in Flying Machines
English title Airplane stability apparatus
Tech fields Airplane, Stability, automatic stability, incidence, design, wings
Filing date 1913/05/22
Full specification filed date 1913/05/22
Application number 191311999D
Grant date 1913/11/20
Granted? Yes
Publication date
Supplementary to patent Patent AT-1913-66955
Related to aircraft? Yes
Serial number
Patent agent Herbert Haddan & Co.
Assigned to
National tech categories
IPCs IPC B64C39/00
CPCs CPC B64C39/00, CPC B64C2700/6295
Family year 1913
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 23651606
INPADOC family ID 11137315
Number of text pages 2
Number of diagram pages 1
Number of figures 3
Number of claims 3