1439208

Information

• Patent Grant
• 1439208

• References
• Source

• Patent Number

  1,439,208

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1922
  102 years ago

• CPC

  • F22D5/16 - of fluids
  • Y10T137/7352 - Top and bottom connections

• US Classifications

  • 251 - Valves and valve actuation
  • 137 - Fluid handling
  • 236 - Automatic temperature and humidity regulation