Patent GB-1910-1694

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  • Inventor location: Physician; 92 Calle Durango, Mexico City
  • Cites many earlier patents, maybe British ones only: especially Patent GB-1908-17877 ("automatically balancing hanger"); also the co-pending or new: Patent GB-1909-16367; Patent GB-1909-1443

Sources


Year filed 1909
Year granted 1910
Office GB
Patent number 1694
Inventors Frederick William Dufwa
Inventor country MX
Inventor location
Applicant person Frederick William Dufwa
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Improvements in flying machines
English title Improvements in flying machines
Tech fields propulsion, propellers
Filing date 1909-07-13
Full specification filed date
Application number 191001694D
Grant date 1910-06-16
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent Haseltine, Lake & Co.
Assigned to
National tech categories
IPCs IPC B64C1/00, IPC B64C17/00
CPCs CPC B64C17/00, CPC B64C2700/6218, CPC B64C1/00
Family year 1909
First filing? 1
Cites these patents Patent GB-1908-17877, Patent GB-1909-16367, Patent GB-1909-1443
Citations from after 1930
Application ID 23593959
INPADOC family ID 11087540
Number of text pages 2
Number of diagram pages 1
Number of figures 3
Number of claims 3