3612609

Information

• Patent Grant
• 3612609

• References
• Source

• Patent Number

  3,612,609

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1971
  53 years ago

• CPC

  • E02F7/026 - mounted on machines equipped with dipper- or bucket-arms
  • E02F3/303 - with the dipper-arm or boom rotatable about its longitudinal axis
  • E02F3/38 - Cantilever beams i.e. booms
  • E21D9/0875 - with a movable support arm carrying cutting tools for attacking the front face

• US Classifications

  • 299 - Mining or in situ disintegration of hard material