2946146

Information

• Patent Grant
• 2946146

• References
• Source

• Patent Number

  2,946,146

• Date Filed

  Not available

• Date Issued

  Tuesday, July 26, 1960
  64 years ago

• CPC

  • E04H3/16 - for swimming
  • E02F3/087 - with digging unit working in a plane inclined to the direction of travel
  • E02F3/10 - with tools that only loosen the material
  • E21B11/06 - with driven cutting chains or similarly driven tools

• US Classifications

  • 037 - Excavating