2638110

Information

• Patent Grant
• 2638110

• References
• Source

• Patent Number

  2,638,110

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1953
  71 years ago

• CPC

  • E21B43/122 - Gas lift
  • Y10T137/7762 - Fluid pressure type
  • Y10T137/7768 - Pilot controls supply to pressure chamber
  • Y10T137/7782 - With manual or external control for line valve
  • Y10T137/7797 - Bias variable during operation
  • Y10T137/86421 - Variable
  • Y10T137/86429 - Attachable and removable element

• US Classifications

  • 137 - Fluid handling