3897831

Information

• Patent Grant
• 3897831

• References
• Source

• Patent Number

  3,897,831

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1975
  49 years ago

• CPC

  • A01B33/065 - comprising a plurality of rotors carried by an elongate, substantially closed transmission casing, transversely connectable to a tractor
  • A01B33/125 - screening of tools rotating about a vertical shaft
  • A01B33/148 - with spring tools or resiliently-attached rigid tools

• US Classifications

  • 172 - Earth working