Patent US-1907-881327

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Hybrid propulsion system with wheels for 'lifting' and for forward movement

This inventor is NOT the same as the relatively famous John J. Montgomery.

  • Tech class CPC B64C27/82: Rotors for rotorcraft; "provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft"
  • Inventor location: Columbus, Franklin county, OH (FIPSloc=39049)
  • Half of rights sold to Sarah J. Montgomery, also of Columbus, OH

Sources


Year filed 1907
Year granted 1908
Office US
Patent number 881327
Inventors John W. Montgomery
Inventor country US
Applicant person Sarah J. Montgomery
Applicant firm
Applicant type INDIV
Applicant is inventor? 0
Original title Air-ship
English title Air-ship
Tech fields propulsion
Filing date 1907-10-09
Full specification filed date
Application number 1907396540
Grant date 1908-03-10
Granted? 1
Publication date
Supplementary to patent
Related to aircraft? 1
Serial number 396540
Patent agent Chester P. Shepherd
Assigned to Sarah J. Montgomery
National tech categories USPC 244/17.21, USPC 244/139, USPC 416/194
IPCs IPC B64C27/00
CPCs CPC B64C27/82
Family year 1907
First filing? 1
Cites these patents
Citations from after 1930
Application ID 47090761
INPADOC family ID 43835237
Number of text pages 3
Number of diagram pages 3
Number of figures 6
Number of claims 4