3409249

Information

• Patent Grant
• 3409249

• References
• Source

• Patent Number

  3,409,249

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1968
  56 years ago

• CPC

  • B64C27/12 - Rotor drives
  • B64C27/10 - arranged coaxially
  • B64C27/14 - Direct drive between power plant and rotor hub
  • B64C27/32 - Rotors
  • B64C27/45 - with a feathering hinge only
  • B64C27/58 - Transmitting means

• US Classifications

  • 244 - Aeronautics and astronautics
  • 416 - Fluid reaction surfaces