3844353

Information

• Patent Grant
• 3844353

• References
• Source

• Patent Number

  3,844,353

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1974
  50 years ago

• CPC

  • F16K21/14 - with special means for preventing the self-closing
  • Y10T137/402 - Distribution systems involving geographic features

• US Classifications

  • 169 - Fire extinguishers
  • 137 - Fluid handling
  • 251 - Valves and valve actuation