2942863

Information

• Patent Grant
• 2942863

• References
• Source

• Patent Number

  2,942,863

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1960
  64 years ago

• CPC

  • E21D9/12 - Devices for removing or hauling away excavated material or spoil Working or loading platforms
  • E21D3/00 - Raising shafts
  • E21D9/10 - Making by using boring or cutting machines

• US Classifications

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