2754911

Information

• Patent Grant
• 2754911

• References
• Source

• Patent Number

  2,754,911

• Date Filed

  Not available

• Date Issued

  Tuesday, July 17, 1956
  68 years ago

• CPC

  • E21B43/18 - Repressuring or vacuum methods
  • Y10T74/139 - Cam operated

• US Classifications

  • 166 - Wells
  • 074 - Machine element or mechanism