3157890

Information

• Patent Grant
• 3157890

• References
• Source

• Patent Number

  3,157,890

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1964
  60 years ago

• CPC

  • B63B22/14 - Buoy-to-object securing means responsive to hydrostatic pressure
  • B63B22/12 - the surfacing of the buoy being assisted by a gas released or generated on submergence of the buoy
  • B63B2209/04 - water activated batteries
  • B63B2209/10 - pyrotechnic means

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices
  • 116 - Signals and indicators
  • 244 - Aeronautics and astronautics