3817579

Information

• Patent Grant
• 3817579

• References
• Source

• Patent Number

  3,817,579

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • E21D9/128 - Loader-conveyors with gathering arms
  • B65G65/00 - Loading or unloading
  • E21C27/24 - by milling means acting on the full working face
  • B65G2814/0334 - Scraper conveyors

• US Classifications

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