2687742

Information

• Patent Grant
• 2687742

• References
• Source

• Patent Number

  2,687,742

• Date Filed

  Not available

• Date Issued

  Tuesday, August 31, 1954
  70 years ago

• CPC

  • F16K39/026 - using an external auxiliary valve
  • Y10T137/2617 - Bypass or relief valve biased open
  • Y10T137/2635 - Pilot valve operated
  • Y10T137/86928 - Sequentially progressive opening or closing of plural valves

• US Classifications

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