3801219

Information

• Patent Grant
• 3801219

• References
• Source

• Patent Number

  3,801,219

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1974
  50 years ago

• CPC

  • B64C11/30 - Blade pitch-changing mechanisms
  • B63H3/081 - actuated by control element coaxial with the propeller shaft
  • F04D15/0055 - Rotors with adjustable blades
  • F16P3/003 - by application of a specific control arrangement

• US Classifications

  • 416 - Fluid reaction surfaces