2132199

Information

• Patent Grant
• 2132199

• References
• Source

• Patent Number

  2,132,199

• Date Filed

  Not available

• Date Issued

  Tuesday, October 4, 1938
  86 years ago

• CPC

  • E21B34/02 - in well heads
  • Y10T137/5397 - With extension to facilitate removal

• US Classifications

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