Patent US-1907-861740

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Big vertical screw propeller(s) for lift; surfaces have a plurality of valves which open on ascent then close to slow descent; wheels; valves

  • Inventor location: Minneapolis, Hennepin county, MN (FIPSloc=27053, imputed by HistPat)

Sources


Year filed 1906
Year granted 1907
Office US
Patent number 861740
Inventors Edward M. La Penotiere
Inventor country US
Applicant person Edward M. La Penotiere
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Flying-machine
English title Flying-machine
Tech fields helicopter, airfoil, flapping, valve, propulsion, wheels
Filing date December 24, 1906
Full specification filed date
Application number
Grant date July 30, 1907
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number 349293
Patent agent Paul & Paul
Assigned to
National tech categories USPC 244/6, USPC 244/68, USPC 244/104R
IPCs
CPCs CPC B64C23/005
Family year 1906
First filing? Yes
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 2
Number of diagram pages 3
Number of figures 3
Number of claims 6