2327619

Information

• Patent Grant
• 2327619

• References
• Source

• Patent Number

  2,327,619

• Date Filed

  Not available

• Date Issued

  Tuesday, August 24, 1943
  81 years ago

• CPC

  • E21C3/18 - directly by a piston of an internal-combustion engine
  • E21B21/01 - Arrangements for handling drilling fluids or cuttings outside the borehole

• US Classifications

  • 173 - Tool driving or impacting
  • 123 - Internal-combustion engines