2990631

Information

• Patent Grant
• 2990631

• References
• Source

• Patent Number

  2,990,631

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1961
  63 years ago

• CPC

  • E02F3/085 - with auxiliary or additional digging elements other than digging elements on an endless chain
  • E02F3/087 - with digging unit working in a plane inclined to the direction of travel
  • E02F3/10 - with tools that only loosen the material

• US Classifications

  • 037 - Excavating
  • 180 - Motor vehicles