3860203

Information

• Patent Grant
• 3860203

• References
• Source

• Patent Number

  3,860,203

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1975
  49 years ago

• CPC

  • B64D19/02 - Rotary-wing parachutes
  • A63H27/12 - Helicopters ; Flying tops

• US Classifications

  • 244 - Aeronautics and astronautics
  • 446 - Amusement devices: toys