1392682

Information

• Patent Grant
• 1392682

• References
• Source

• Patent Number

  1,392,682

• Date Filed

  Not available

• Date Issued

  Tuesday, October 4, 1921
  103 years ago

• CPC

  • F22B37/425 - Feed-water supply alarm devices using floats
  • G01F23/34 - using mechanically actuated indicating means
  • Y10T137/3143 - With liquid level responsive gas vent or whistle
  • Y10T137/7378 - From tank
  • Y10T137/7407 - With counter-balance

• US Classifications

  • 137 - Fluid handling
  • 073 - Measuring and testing
  • 116 - Signals and indicators