3804465

Information

• Patent Grant
• 3804465

• References
• Source

• Patent Number

  3,804,465

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1974
  51 years ago

• CPC

  • E21C27/34 - Machine propelled along the working face by cable or chain
  • E21C27/32 - by adjustable or non-adjustable planing means with or without loading arrangements
  • E21C27/35 - Ram-ploughs
  • E21C35/12 - along a conveyor for the cut mineral

• US Classifications

  • 299 - Mining or in situ disintegration of hard material