2654563

Information

• Patent Grant
• 2654563

• References
• Source

• Patent Number

  2,654,563

• Date Filed

  Not available

• Date Issued

  Tuesday, October 6, 1953
  71 years ago

• CPC

  • E21B34/02 - in well heads
  • F16K43/003 - the auxiliary valve being a rotary valve
  • Y10T137/6075 - Bifaced
  • Y10T137/6079 - Having particular valve seat

• US Classifications

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