1326825

Information

• Patent Grant
• 1326825

• References
• Source

• Patent Number

  1,326,825

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1919
  105 years ago

• CPC

  • E21B21/01 - Arrangements for handling drilling fluids or cuttings outside the borehole
  • Y10S29/066 - Fluid flow to channeled cutter

• US Classifications

  • 173 - Tool driving or impacting
  • 029 - Metal working
  • 175 - Boring or penetrating the earth