3874734

Information

• Patent Grant
• 3874734

• References
• Source

• Patent Number

  3,874,734

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1975
  49 years ago

• CPC

  • E21C35/125 - Means for inclining the conveyor
  • E21D23/0034 - comprising a goaf shield articulated to a base member
  • E21D23/0445 - Extensions of the base member supporting the conveyor

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 405 - Hydraulic and earth engineering