3131721

Information

• Patent Grant
• 3131721

• References
• Source

• Patent Number

  3,131,721

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1964
  60 years ago

• CPC

  • F15B1/08 - using a gas cushion Gas charging devices Indicators or floats therefor
  • F15B2201/205 - using gas
  • F15B2201/215 - using weights
  • F15B2201/31 - having rigid separating means
  • F15B2201/411 - having valve means
  • F15B2201/413 - having multiple liquid ports
  • F15B2201/415 - Gas ports
  • Y10T137/3068 - Float
  • Y10T137/3118 - Surge suppression
  • Y10T137/86043 - Reserve or surge receiver

• US Classifications

  • 137 - Fluid handling
  • 138 - Pipes and tubular conduits
  • 277 - Seal for a joint or juncture