Patent FR-1922-558925

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Added this patent because we have others by Passat. He seems to have moved from France to Britain and stayed for a long time.

  • Inventor location: Britain

Sources


Year filed 1922
Year granted 1923
Office FR
Patent number 558925
Inventors Jean Baptiste Passat
Inventor country GB
Applicant person Jean Baptiste Passat
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Dispositif pour modifier et contrôler les pas des hélices pour aéronefs et autresapplications
English title Device for changing and controlling propeller pitch for aircraft and other applications
Tech fields propellers
Filing date 1922-11-05
Full specification filed date
Application number 396829D
Grant date 1923-06-05
Granted? 1
Publication date 1923-09-06
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent Armengaud jeune
Assigned to
National tech categories FR 6.4
IPCs IPC B64C11/36
CPCs CPC B64C11/36
Family year 1922
First filing? 1
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 3
Number of diagram pages 1
Number of figures 2
Number of claims 1