3722331

Information

• Patent Grant
• 3722331

• References
• Source

• Patent Number

  3,722,331

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1973
  51 years ago

• CPC

  • E21B19/162 - cathead actuated
  • E21B19/166 - Arrangements of torque limiters or torque indicators

• US Classifications

  • 081 - Tools
  • 173 - Tool driving or impacting