3817333

Information

• Patent Grant
• 3817333

• References
• Source

• Patent Number

  3,817,333

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • A01B69/006 - derived from the steering of the tractor
  • A01B15/145 - the plough blades being connected to the plough beam for unisono adjustment of the furrow width

• US Classifications

  • 172 - Earth working