1178739

Information

• Patent Grant
• 1178739

• References
• Source

• Patent Number

  1,178,739

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1916
  108 years ago

• CPC

  • B63H1/02 - of rotary type
  • B63G8/00 - Underwater vessels
  • B64C27/82 - characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft

• US Classifications

  • 244 - Aeronautics and astronautics
  • 114 - Ships