3564855

Information

• Patent Grant
• 3564855

• References
• Source

• Patent Number

  3,564,855

• Date Filed

  Not available

• Date Issued

  Tuesday, February 23, 1971
  53 years ago

• CPC

  • E02F5/06 - with digging elements mounted on an endless chain
  • E02D5/182 - using formworks to separate sections
  • E02D5/185 - with flexible joint members between sections
  • E02D17/13 - Foundation slots or slits Implements for making these slots or slits
  • E02F5/12 - with equipment for back-filling trenches or ditches

• US Classifications

  • 405 - Hydraulic and earth engineering