3357656

Information

• Patent Grant
• 3357656

• References
• Source

• Patent Number

  3,357,656

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1967
  57 years ago

• CPC

  • B64C29/0025 - the propellers being fixed relative to the fuselage
  • B64C27/12 - Rotor drives
  • B64C2700/6287 - Rotor drives

• US Classifications

  • 244 - Aeronautics and astronautics
  • 060 - Power plants
  • 416 - Fluid reaction surfaces