1894517

Information

• Patent Grant
• 1894517

• References
• Source

• Patent Number

  1,894,517

• Date Filed

  Not available

• Date Issued

  Tuesday, January 17, 1933
  92 years ago

• CPC

  • F22D5/14 - responsive to thermal expansion and contraction
  • Y10T137/8158 - With indicator, register, recorder, alarm or inspection means

• US Classifications

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