1880252

Information

• Patent Grant
• 1880252

• References
• Source

• Patent Number

  1,880,252

• Date Filed

  Not available

• Date Issued

  Tuesday, October 4, 1932
  92 years ago

• CPC

  • B28D1/125 - with exchangeable cutter bits or cutter segments
  • 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