2253586

Information

• Patent Grant
• 2253586

• References
• Source

• Patent Number

  2,253,586

• Date Filed

  Not available

• Date Issued

  Tuesday, August 26, 1941
  83 years ago

• CPC

  • B64D21/00 - Testing of parachutes

• US Classifications

  • 472 - Amusement devices
  • 073 - Measuring and testing
  • 244 - Aeronautics and astronautics
  • 446 - Amusement devices: toys