3602549

Information

• Patent Grant
• 3602549

• References
• Source

• Patent Number

  3,602,549

• Date Filed

  Not available

• Date Issued

  Tuesday, August 31, 1971
  53 years ago

• CPC

  • E21C29/14 - by haulage cable or chain pulling the machine along the working face
  • E21C35/08 - Guiding the machine
  • E21C35/12 - along a conveyor for the cut mineral

• US Classifications

  • 299 - Mining or in situ disintegration of hard material