1248481

Information

• Patent Grant
• 1248481

• References
• Source

• Patent Number

  1,248,481

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1917
  106 years ago

• CPC

  • E21B21/01 - Arrangements for handling drilling fluids or cuttings outside the borehole
  • Y10T279/17059 - Rotary socket

• US Classifications

  • 173 - Tool driving or impacting
  • 279 - Chucks or sockets