3367716

Information

• Patent Grant
• 3367716

• References
• Source

• Patent Number

  3,367,716

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1968
  56 years ago

• CPC

  • E02F3/7668 - with the scraper blade being pivotable about a vertical axis
  • E02F3/8155 - provided with movable parts
  • E02F5/326 - oscillating or vibrating
  • E21C27/46 - by percussed planing means
  • E21D9/1046 - Vibrating
  • Y10S37/904 - Vibration means for excavating tool

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 037 - Excavating
  • 172 - Earth working
  • 173 - Tool driving or impacting
  • 175 - Boring or penetrating the earth