3590837

Information

• Patent Grant
• 3590837

• References
• Source

• Patent Number

  3,590,837

• Date Filed

  Not available

• Date Issued

  Tuesday, July 6, 1971
  53 years ago

• CPC

  • F16K15/00 - Check valves
  • F04B53/1022 - having means for guiding the closure member axially
  • F04B53/1087 - Valve seats
  • Y10T137/0491 - Valve or valve element assembling, disassembling, or replacing
  • Y10T137/6041 - Replaceable
  • Y10T137/6164 - Valve heads and/or seats
  • Y10T137/7856 - Valve seat formed on or carried by a coupling element
  • Y10T137/7929 - Spring coaxial with valve

• US Classifications

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