854464

Information

• Patent Grant
• 854464

• References
• Source

• Patent Number

  854,464

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1907
  117 years ago

• CPC

  • E21B10/627 - with plural detachable cutting elements
  • Y10T279/16 - Longitudinal screw clamp
  • Y10T279/17205 - Conical clamp threaded in socket
  • Y10T403/7075 - including discrete retainer

• US Classifications

  • 175 - Boring or penetrating the earth
  • 279 - Chucks or sockets
  • 403 - Joints and connections