3559744

Information

• Patent Grant
• 3559744

• References
• Source

• Patent Number

  3,559,744

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1971
  54 years ago

• CPC

  • A01B59/067 - the lower arms being lifted or lowered by power actuator means internally incorporated in the tractor
  • A01B33/087 - Lifting devices; Depth regulation devices; Mountings

• US Classifications

  • 172 - Earth working