3657831

Information

• Patent Grant
• 3657831

• References
• Source

• Patent Number

  3,657,831

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  53 years ago

• CPC

  • A01B13/00 - Ploughs or like machines for special purposes; Ditch diggers, trench ploughs, forestry ploughs, ploughs for land or marsh reclamation
  • A01B59/065 - for ploughs or like implements
  • A01B63/023 - Lateral adjustment of their tools

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 037 - Excavating
  • 172 - Earth working
  • 414 - Material or article handling