3670508

Information

• Patent Grant
• 3670508

• References
• Source

• Patent Number

  3,670,508

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1972
  52 years ago

• CPC

  • E02F3/50 - with buckets or other digging elements moved along a rigid guideway
  • E02F5/02 - for digging trenches or ditches

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 037 - Excavating
  • 175 - Boring or penetrating the earth