3214189

Information

• Patent Grant
• 3214189

• References
• Source

• Patent Number

  3,214,189

• Date Filed

  Not available

• Date Issued

  Tuesday, October 26, 1965
  59 years ago

• CPC

  • B62D49/02 - modified to take lifting devices
  • A01B63/111 - regulating working depth of implements
  • A01B63/1115 - using a mechanical ground contact sensor
  • A01B63/1145 - for controlling weight transfer between implements and tractor wheels
  • A01B63/145 - for controlling weight transfer between implements and tractor wheels

• US Classifications

  • 172 - Earth working