3474990

Information

• Patent Grant
• 3474990

• References
• Source

• Patent Number

  3,474,990

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1969
  55 years ago

• CPC

  • B64D17/52 - Opening
  • B64D2700/62552 - Devices to open or to drive the parachute during fall

• US Classifications

  • 244 - Aeronautics and astronautics