3649078

Information

• Patent Grant
• 3649078

• References
• Source

• Patent Number

  3,649,078

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1972
  53 years ago

• CPC

  • E21C35/125 - Means for inclining the conveyor
  • E21C35/16 - by making use of the timbering, filling, or other supports

• US Classifications

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