3404739

Information

• Patent Grant
• 3404739

• References
• Source

• Patent Number

  3,404,739

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1968
  56 years ago

• CPC

  • E21B6/06 - the rotation being intermittent, e.g.obtained by ratchet device
  • B25D17/084 - Rotating chucks or sockets

• US Classifications

  • 173 - Tool driving or impacting