3830311

Information

• Patent Grant
• 3830311

• References
• Source

• Patent Number

  3,830,311

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1974
  50 years ago

• CPC

  • A01B39/24 - Undercarriages
  • A01B51/04 - drawn by animal or tractor

• US Classifications

  • 172 - Earth working
  • 134 - Cleaning and liquid contact with solids