Patent GB-1901-3691

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Sources

  • Neilson, 1910, Aeroplane Patents, p73
  • (Nelson here takes us to "M. Léger" under Heavier-Than-Air Flying Machines filed in 1901, and this is corrobrated by Espacenet, under this patent number, filed in Great Britain, and it is in comportment with Léger's work with the helicopter.)
  • Original patent document and bibliography entry on espacenet
  • Inventor location: Monoco
  • (I am not sure of the "E. LEGER" or "Navigable Balloon" previously found below.)


Year filed 1901
Year granted 1902
Office GB
Patent number 3691
Inventors Maurice Léger
Inventor country MC
Inventor location
Applicant person Maurice Léger
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Improvements in Flying Apparatus
English title Helicopter
Tech fields Helicopter
Filing date 1901/02/20
Full specification filed date
Application number
Grant date 1901/11/20
Granted? Yes
Publication date 1902/01/20
Supplementary to patent Patent HU-1901-22471
Related to aircraft? Yes
Serial number
Patent agent Herbert Haddan & Co.
Assigned to
National tech categories
IPCs
CPCs
Family year 1901
First filing? No
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 6
Number of diagram pages 6
Number of figures 12
Number of claims 6