3422843

Information

• Patent Grant
• 3422843

• References
• Source

• Patent Number

  3,422,843

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1969
  55 years ago

• CPC

  • F16K21/10 - with hydraulic brake cylinder acting on the closure member
  • F16K1/2007 - specially adapted operating means therefor
  • F16K1/2028 - Details of bearings for the axis of rotation
  • F16K1/2078 - Sealing means for the axis of rotation
  • Y10T137/785 - With retarder or dashpot

• US Classifications

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