3539014

Information

• Patent Grant
• 3539014

• References
• Source

• Patent Number

  3,539,014

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1970
  54 years ago

• CPC

  • E02F3/786 - having a vertical axis of rotation
  • E01C23/0885 - with vertical or steeply inclined rotary axis
  • E01H5/094 - about vertical or substantially vertical axises
  • E02F3/20 - with tools that only loosen the material

• US Classifications

  • 172 - Earth working
  • 037 - Excavating
  • 299 - Mining or in situ disintegration of hard material
  • 404 - Road structure, process, or apparatus