3802551

Information

• Patent Grant
• 3802551

• References
• Source

• Patent Number

  3,802,551

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1974
  50 years ago

• CPC

  • B65G33/16 - with flexible screws operating in flexible tubes

• US Classifications

  • 198 - Conveyors: power-driven
  • 037 - Excavating