928056

Information

• Patent Grant
• 928056

• References
• Source

• Patent Number

  928,056

• Date Filed

  Not available

• Date Issued

  Tuesday, July 13, 1909
  115 years ago

• CPC

  • E21C25/54 - Slitting by unguided cutter cables or cutter chains, or by unguided tools drawn along the working face by cables or the like

• US Classifications

  • 299 - Mining or in situ disintegration of hard material