1368978

Information

• Patent Grant
• 1368978

• References
• Source

• Patent Number

  1,368,978

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1921
  103 years ago

• CPC

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

• US Classifications

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