3409095

Information

• Patent Grant
• 3409095

• References
• Source

• Patent Number

  3,409,095

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1968
  56 years ago

• CPC

  • E21B11/02 - Boring rams
  • E21B4/06 - Down-hole impacting means

• US Classifications

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