3419312

Information

• Patent Grant
• 3419312

• References
• Source

• Patent Number

  3,419,312

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1968
  56 years ago

• CPC

  • E21C35/14 - Equipment for pressing the conveyor towards the working face
  • E21C27/34 - Machine propelled along the working face by cable or chain

• US Classifications

  • 299 - Mining or in situ disintegration of hard material