2183422

Information

• Patent Grant
• 2183422

• References
• Source

• Patent Number

  2,183,422

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1939
  85 years ago

• CPC

  • F22B37/425 - Feed-water supply alarm devices using floats
  • Y10T137/2511 - Fuel controlled by boiler or water system condition
  • Y10T137/3143 - With liquid level responsive gas vent or whistle
  • Y10T137/7365 - Single float controls plural valves
  • Y10T137/7374 - Flexible diaphragm valve
  • Y10T137/87016 - Lost motion

• US Classifications

  • 137 - Fluid handling