2766011

Information

• Patent Grant
• 2766011

• References
• Source

• Patent Number

  2,766,011

• Date Filed

  Not available

• Date Issued

  Tuesday, October 9, 1956
  68 years ago

• CPC

  • E21B3/03 - with an intermittent unidirectional rotation of the tool
  • Y10T74/1532 - Rack actuator
  • Y10T74/18016 - Oscillating to reciprocating and intermittent rotary

• US Classifications

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