2256719

Information

• Patent Grant
• 2256719

• References
• Source

• Patent Number

  2,256,719

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1941
  83 years ago

• CPC

  • E02F3/18 - with digging wheels turning round an axis
  • E02F3/185 - with digging unit mounted in a plane which is inclined to the direction of travel; with tools digging laterally with respect to the frame
  • E02F3/243 - wheels rotatable in both directions
  • E02F3/248 - Cleaning the wheels or emptying the digging elements mounted on the wheels

• US Classifications

  • 037 - Excavating
  • 198 - Conveyors: power-driven
  • 299 - Mining or in situ disintegration of hard material