3874012

Information

• Patent Grant
• 3874012

• References
• Source

• Patent Number

  3,874,012

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1975
  49 years ago

• CPC

  • B64D25/20 - Releasing of crash position indicators
  • B63C7/10 - using inflatable floats external to vessels or objects

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices
  • 114 - Ships
  • 244 - Aeronautics and astronautics