2177121

Information

• Patent Grant
• 2177121

• References
• Source

• Patent Number

  2,177,121

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1939
  85 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
  • Y10T137/2842 - With flow starting, stopping or maintaining means
  • Y10T137/7361 - Valve opened by external means, closing or closing control by float
  • Y10T137/74 - Lost motion mechanism

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation