3800346

Information

• Patent Grant
• 3800346

• References
• Source

• Patent Number

  3,800,346

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1974
  50 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
  • B63B2209/02 - water activated switches
  • B63B2211/02 - Oceanography

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices
  • 073 - Measuring and testing
  • 114 - Ships
  • 374 - Thermal measuring and testing