2587539

Information

• Patent Grant
• 2587539

• References
• Source

• Patent Number

  2,587,539

• Date Filed

  Not available

• Date Issued

  Tuesday, February 26, 1952
  73 years ago

• CPC

  • F16K39/026 - using an external auxiliary valve
  • Y10T137/86928 - Sequentially progressive opening or closing of plural valves
  • Y10T137/86936 - Pressure equalizing or auxiliary shunt flow
  • Y10T137/87917 - Flow path with serial valves and/or closures

• US Classifications

  • 137 - Fluid handling
  • 174 - Electricity: conductors and insulators
  • 251 - Valves and valve actuation