3477507

Information

• Patent Grant
• 3477507

• References
• Source

• Patent Number

  3,477,507

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1969
  55 years ago

• CPC

  • E21B34/08 - responsive to flow or pressure of the fluid obtained
  • Y10T137/1677 - Pressure causes pin or bolt to destruct
  • Y10T137/7733 - With fluid pressure seating of valve
  • Y10T137/7754 - Line flow effect assisted
  • Y10T137/7836 - Flexible diaphragm or bellows reactor

• US Classifications

  • 166 - Wells
  • 137 - Fluid handling