2689099

Information

• Patent Grant
• 2689099

• References
• Source

• Patent Number

  2,689,099

• Date Filed

  Not available

• Date Issued

  Tuesday, September 14, 1954
  70 years ago

• CPC

  • 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
  • B64C2027/8227 - comprising more than one rotor
  • B64C2027/8281 - comprising horizontal tail planes
  • B64C2027/829 - comprising a V-tail units

• US Classifications

  • 244 - Aeronautics and astronautics