3820564

Information

• Patent Grant
• 3820564

• References
• Source

• Patent Number

  3,820,564

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • F16K31/50 - with screw-spindle or internally threaded actuating means
  • F16K1/38 - of conical shape
  • F16K27/0254 - with conical shaped valve members
  • Y10T137/87853 - With threaded actuator
  • Y10T137/87861 - Spring coaxial with valve

• US Classifications

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