3662978

Information

• Patent Grant
• 3662978

• References
• Source

• Patent Number

  3,662,978

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1972
  52 years ago

• CPC

  • B64C27/02 - Gyroplanes
  • B64D19/02 - Rotary-wing parachutes

• US Classifications

  • 244 - Aeronautics and astronautics