3666024

Information

• Patent Grant
• 3666024

• References
• Source

• Patent Number

  3,666,024

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1972
  52 years ago

• CPC

  • E21B6/08 - Separate drives for percussion and rotation
  • E21C3/24 - directly by air, steam, or gas pressure

• US Classifications

  • 173 - Tool driving or impacting