3602551

Information

• Patent Grant
• 3602551

• References
• Source

• Patent Number

  3,602,551

• Date Filed

  Not available

• Date Issued

  Tuesday, August 31, 1971
  53 years ago

• CPC

  • E21F13/042 - Vertical hydraulic conveying of coal

• US Classifications

  • 406 - Conveyors: fluid current