3695724

Information

• Patent Grant
• 3695724

• References
• Source

• Patent Number

  3,695,724

• Date Filed

  Not available

• Date Issued

  Tuesday, October 3, 1972
  52 years ago

• CPC

  • E21C27/12 - breaking-down effected by acting on the vertical face of the mineral
  • B28D1/181 - using cutters loosely mounted on a turning tool support

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 173 - Tool driving or impacting