2991571

Information

• Patent Grant
• 2991571

• References
• Source

• Patent Number

  2,991,571

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1961
  63 years ago

• CPC

  • E02F3/10 - with tools that only loosen the material
  • E02F3/142 - tools mounted on buckets or chains which loosen the soil
  • Y10T83/7083 - With cutter other than endlessly orbiting type

• US Classifications

  • 037 - Excavating
  • 083 - Cutting