3293676

Information

• Patent Grant
• 3293676

• References
• Source

• Patent Number

  3,293,676

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1966
  58 years ago

• CPC

  • B63G8/16 - by direct use of propellers or jets
  • B63B22/06 - with means to cause the buoy to surface in response to a transmitted signal
  • B63B22/12 - the surfacing of the buoy being assisted by a gas released or generated on submergence of the buoy
  • B63B22/20 - Ballast means
  • B63B22/24 - container type
  • B63G8/24 - Automatic depth adjustment Safety equipment for increasing buoyancy
  • B63B2211/02 - Oceanography

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices
  • 073 - Measuring and testing
  • 102 - Ammunition and explosives
  • 367 - Communications, electrical: acoustic wave systems and devices
  • D12 - Transportation