Patent US-1909-1014643

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Big propeller with two wheels containing many blades; car attached below on hinge; propellers interlock to form parachute for descent

  • Tech class: CPC B64C27/82: Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft
  • Inventor location: Denver, CO

Sources


Year filed 1909
Year granted 1912
Office US
Patent number 1014643
Inventors John J. Donnelly
Inventor country US
Applicant person John J. Donnelly
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Aerial vessel
English title Aerial vessel
Tech fields helicopter, propeller, wheels, car, landing, parachute, HTA
Filing date 1909-01-18
Full specification filed date
Application number 1909472991
Grant date 1912-01-16
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number 472991
Patent agent A. O. R. Boren?
Assigned to
National tech categories USPC 244/65
IPCs
CPCs CPC B64C27/82
Family year 1909
First filing? 1
Cites these patents
Citations from after 1930 1
Application ID 47496840
INPADOC family ID
Number of text pages 3
Number of diagram pages 2
Number of figures 2
Number of claims 3