2051249

Information

• Patent Grant
• 2051249

• References
• Source

• Patent Number

  2,051,249

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1936
  88 years ago

• CPC

  • E21B3/02 - Surface drives for rotary drilling
  • Y10T83/6516 - Interrelated with movement of reciprocating means

• US Classifications

  • 173 - Tool driving or impacting
  • 083 - Cutting
  • 254 - Implements or apparatus for applying pushing or pulling force
  • 310 - Electrical generator or motor structure
  • 318 - Electricity: motive power systems