3587753

Information

• Patent Grant
• 3587753

• References
• Source

• Patent Number

  3,587,753

• Date Filed

  Not available

• Date Issued

  Monday, June 28, 1971
  53 years ago

• CPC

  • E21B6/08 - Separate drives for percussion and rotation

• US Classifications

  • 173 - Tool driving or impacting