3399757

Information

• Patent Grant
• 3399757

• References
• Source

• Patent Number

  3,399,757

• Date Filed

  Not available

• Date Issued

  Tuesday, September 3, 1968
  56 years ago

• CPC

  • E21C25/56 - Slitting by cutter cables or cutter chains or by tools drawn along the working face by cables or the like, in each case guided parallel to the face

• US Classifications

  • 198 - Conveyors: power-driven