2073835

Information

• Patent Grant
• 2073835

• References
• Source

• Patent Number

  2,073,835

• Date Filed

  Not available

• Date Issued

  Tuesday, March 16, 1937
  87 years ago

• CPC

  • E03D1/087 - by pump, valve, or the like, in the short leg of the siphon or a vacuum pump in the long leg of the siphon
  • Y10S137/906 - Valves biased by fluid "springs"
  • Y10T137/2863 - Pressure applied to liquid in supply chamber
  • Y10T137/7371 - Fluid pressure
  • Y10T137/7462 - With refill pipe
  • Y10T137/87861 - Spring coaxial with valve

• US Classifications

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