1517095

Information

• Patent Grant
• 1517095

• References
• Source

• Patent Number

  1,517,095

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1924
  100 years ago

• CPC

  • E21C35/14 - Equipment for pressing the conveyor towards the working face
  • E21D15/606 - the props being moved systematically

• US Classifications

  • 299 - Mining or in situ disintegration of hard material