3771559

Information

• Patent Grant
• 3771559

• References
• Source

• Patent Number

  3,771,559

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1973
  51 years ago

• CPC

  • F16K1/165 - with a plurality of closure members
  • Y10T137/8745 - Including rigid plate with flexible or resilient seal
  • Y10T137/87483 - Adjacent plate valves counter rotate

• US Classifications

  • 137 - Fluid handling
  • 049 - Movable or removable closures
  • 454 - Ventilation