2131335

Information

• Patent Grant
• 2131335

• References
• Source

• Patent Number

  2,131,335

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1938
  86 years ago

• CPC

  • F22D5/24 - with electric switches
  • Y10T137/2965 - Float responsive
  • Y10T137/7368 - Servo relay operation of control

• US Classifications

  • 137 - Fluid handling
  • 122 - Liquid heaters and vaporizers
  • 251 - Valves and valve actuation