3057089

Information

• Patent Grant
• 3057089

• References
• Source

• Patent Number

  3,057,089

• Date Filed

  Not available

• Date Issued

  Tuesday, October 9, 1962
  62 years ago

• CPC

  • E02F3/083 - including a screw-type conveyor for transporting the excavated material
  • E02F3/10 - with tools that only loosen the material

• US Classifications

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