2312476

Information

• Patent Grant
• 2312476

• References
• Source

• Patent Number

  2,312,476

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1943
  82 years ago

• CPC

  • E21B33/0422 - a suspended tubing or casing being gripped by a slip or an internally serrated member
  • E21D15/43 - Details of wedges

• US Classifications

  • 285 - Pipe joints or couplings
  • 166 - Wells