2990168

Information

• Patent Grant
• 2990168

• References
• Source

• Patent Number

  2,990,168

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1961
  63 years ago

• CPC

  • E21F13/10 - Anchorings for conveyors

• US Classifications

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