3713485

Information

• Patent Grant
• 3713485

• References
• Source

• Patent Number

  3,713,485

• Date Filed

  Not available

• Date Issued

  Tuesday, January 30, 1973
  51 years ago

• CPC

  • E21B34/02 - in well heads
  • Y10T137/7733 - With fluid pressure seating of valve
  • Y10T137/7898 - Pivoted valves

• US Classifications

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