Patent GB-1912-18838

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  • CPC B64C11/18: Aerodynamic features
  • Inventor location: Jacomy: Engineer, at 11 rue de Congres, Asnieres, France ; Jahan: Engineer at 16 rue de la Station, Courbevoie, France
  • Inventor signed. 0 days later, this patent was recorded as filed at the patent office.
  • Same invention appears to have been filed in France. Why is the parent patent German, when the inventors were French?

Sources


Year filed 1912
Year granted 1912
Office GB
Patent number 18838
Inventors Pierre Jacomy, François Jahan
Inventor country FR
Applicant person Pierre Jacomy, François Jahan
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Improvements in or relating to Metallic Propellers
English title Improvements in or relating to Metallic Propellers
Tech fields propellers
Filing date 1912-08-16
Full specification filed date
Application number 191218838D
Grant date 1912-11-07
Granted? 1
Publication date
Supplementary to patent Patent DE-1911-251309
Related to aircraft? 1
Serial number
Patent agent Boult, Wade & Tennant
Assigned to
National tech categories
IPCs IPC B64C11/18
CPCs CPC B64C11/18
Family year 1911
First filing? 0
Cites these patents
Citations from after 1930 0
Application ID 23638034
INPADOC family ID 11125692
Number of text pages 2
Number of diagram pages 1
Number of figures 2
Number of claims 2