3713700

Information

• Patent Grant
• 3713700

• References
• Source

• Patent Number

  3,713,700

• Date Filed

  Not available

• Date Issued

  Tuesday, January 30, 1973
  51 years ago

• CPC

  • E21D9/1086 - Drives or transmissions specially adapted therefor
  • E21D9/115 - with cutting tools mounted pivotably or slidable on the head

• US Classifications

  • 299 - Mining or in situ disintegration of hard material