2588068

Information

• Patent Grant
• 2588068

• References
• Source

• Patent Number

  2,588,068

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1952
  72 years ago

• CPC

  • E21B10/66 - the cutting element movable through the drilling pipe and laterally shiftable
  • E21B7/20 - Driving or forcing casings or pipes into boreholes
  • E21B10/34 - of roller-cutter type
  • Y10T74/177 - Rack and pinion adjusting means

• US Classifications

  • 175 - Boring or penetrating the earth
  • 074 - Machine element or mechanism
  • 173 - Tool driving or impacting