3308891

Information

• Patent Grant
• 3308891

• References
• Source

• Patent Number

  3,308,891

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1967
  57 years ago

• CPC

  • A01B35/04 - drawn by animal or tractor or man-power
  • A01B23/043 - specially adapted for harrows with non-rotating tools

• US Classifications

  • 172 - Earth working