2994974

Information

• Patent Grant
• 2994974

• References
• Source

• Patent Number

  2,994,974

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1961
  63 years ago

• CPC

  • E02F5/06 - with digging elements mounted on an endless chain
  • E02D17/06 - Foundation trenches ditches or narrow shafts
  • E02F5/12 - with equipment for back-filling trenches or ditches

• US Classifications

  • 037 - Excavating
  • 405 - Hydraulic and earth engineering