3162253

Information

• Patent Grant
• 3162253

• References
• Source

• Patent Number

  3,162,253

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1964
  60 years ago

• CPC

  • E21B7/025 - Rock drills
  • E21B7/022 - Control of the drilling operation; Hydraulic or pneumatic means for activation or operation
  • E21B19/22 - Handling reeled pipe or rod units
  • Y10T74/18776 - Rectilinear rack
  • Y10T137/6918 - With hose storage or retrieval means

• US Classifications

  • 173 - Tool driving or impacting
  • 074 - Machine element or mechanism
  • 137 - Fluid handling