3189922

Information

• Patent Grant
• 3189922

• References
• Source

• Patent Number

  3,189,922

• Date Filed

  Not available

• Date Issued

  Tuesday, June 22, 1965
  59 years ago

• CPC

  • F16L1/24 - Floats Weights
  • B63B22/00 - Buoys
  • F15B1/08 - using a gas cushion Gas charging devices Indicators or floats therefor
  • B63B2207/02 - Variable ballast or buoyancy
  • F15B2201/205 - using gas
  • F15B2201/305 - without separating means
  • F15B2201/411 - having valve means
  • F15B2201/4155 - having valve means

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices