3885627

Information

• Patent Grant
• 3885627

• References
• Source

• Patent Number

  3,885,627

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1975
  49 years ago

• CPC

  • E21B34/08 - responsive to flow or pressure of the fluid obtained
  • E21B34/16 - Above-ground control means therefor
  • Y10T137/1632 - Destructible element
  • Y10T137/1677 - Pressure causes pin or bolt to destruct

• US Classifications

  • 166 - Wells
  • 137 - Fluid handling