3477456

Information

• Patent Grant
• 3477456

• References
• Source

• Patent Number

  3,477,456

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1969
  55 years ago

• CPC

  • F16K17/105 - using choking or throttling means to control the fluid operation of the main valve
  • F16K21/18 - closed when a rising liquid reaches a predetermined level
  • F16K31/126 - the fluid acting on a diaphragm, bellows, or the like
  • Y10T137/3003 - Fluid separating traps or vents
  • Y10T137/3127 - With gas maintenance or application
  • Y10T137/7378 - From tank
  • Y10T137/7764 - Choked or throttled pressure type
  • Y10T137/777 - Spring biased

• US Classifications

  • 137 - Fluid handling