Patent GB-1905-3214

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Helicopter design, framework and propellers. Includes numerical specifications for number of propellers to be used relative to weight of the rest of the aircraft.

  • Inventor location: Dumbarton, Scotland

Patent family descending from Patent GB-1905-3214

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Year filed 1905
Year granted 1905
Office GB
Patent number 3214
Inventors Edwin Richard Mumford
Inventor country GB
Applicant person Edwin Richard Mumford
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Improvements in or connected with Aerodromes or Flying Machines
English title Aerodromes or Flying Machines
Tech fields helicopter, heavier-than-air, propeller, frame
Filing date 1905/02/16
Full specification filed date 1905/08/14
Application number
Grant date 1905/11/02
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent Edmund Hunt & Co.
Assigned to
National tech categories
IPCs
CPCs
Family year 1905
First filing? Yes
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 6
Number of diagram pages 2
Number of figures 3
Number of claims 7