2311171

Information

• Patent Grant
• 2311171

• References
• Source

• Patent Number

  2,311,171

• Date Filed

  Not available

• Date Issued

  Tuesday, February 16, 1943
  82 years ago

• CPC

  • B64D21/00 - Testing of parachutes
  • A63G31/00 - Amusement arrangements
  • A63G2031/002 - Free-fall

• US Classifications

  • 472 - Amusement devices
  • 244 - Aeronautics and astronautics