3805822

Information

• Patent Grant
• 3805822

• References
• Source

• Patent Number

  3,805,822

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1974
  50 years ago

• CPC

  • F16K21/18 - closed when a rising liquid reaches a predetermined level
  • F16K31/385 - the fluid acting on a diaphragm
  • F16K47/02 - for preventing water-hammer or noise
  • F16K47/023 - for preventing water-hammer
  • Y10T137/73 - Manual control
  • Y10T137/7349 - In communicating measuring vessel
  • Y10T137/7374 - Flexible diaphragm valve

• US Classifications

  • 137 - Fluid handling
  • 004 - Baths, closets, sinks, and spittoons
  • 251 - Valves and valve actuation