3252521

Information

• Patent Grant
• 3252521

• References
• Source

• Patent Number

  3,252,521

• Date Filed

  Not available

• Date Issued

  Tuesday, May 24, 1966
  58 years ago

• CPC

  • A01B49/022 - at least one tool being actively driven
  • A01B3/40 - Alternating ploughs
  • A01B17/00 - Ploughs with special additional arrangements

• US Classifications

  • 172 - Earth working