1383272

Information

• Patent Grant
• 1383272

• References
• Source

• Patent Number

  1,383,272

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1921
  103 years ago

• CPC

  • F16K43/005 - an auxiliary valve closing automatically when the main valve is being disassembled
  • Y10T137/6184 - Removable valve with normally disabled supplemental check valve
  • Y10T137/87917 - Flow path with serial valves and/or closures

• US Classifications

  • 251 - Valves and valve actuation
  • 137 - Fluid handling