2801095

Information

• Patent Grant
• 2801095

• References
• Source

• Patent Number

  2,801,095

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1957
  67 years ago

• CPC

  • E21C27/26 - by closely adjacent cutter chains acting on the full working face

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 180 - Motor vehicles
  • 198 - Conveyors: power-driven