3581624

Information

• Patent Grant
• 3581624

• References
• Source

• Patent Number

  3,581,624

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1971
  53 years ago

• CPC

  • B64C27/20 - Rotorcraft characterised by having shrouded rotors
  • B64C2700/6291 - Rotors stowable in the wings

• US Classifications

  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices
  • 244 - Aeronautics and astronautics