2771955

Information

• Patent Grant
• 2771955

• References
• Source

• Patent Number

  2,771,955

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1956
  68 years ago

• CPC

  • E21B33/02 - Surface sealing or packing
  • E03B3/16 - Component parts of wells
  • E21B43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
  • Y10S285/92 - Remotely controlled

• US Classifications

  • 166 - Wells
  • 285 - Pipe joints or couplings