3774689

Information

• Patent Grant
• 3774689

• References
• Source

• Patent Number

  3,774,689

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1973
  51 years ago

• CPC

  • A01B33/106 - the rotating shaft being oriented vertically or steeply inclined
  • A01B33/08 - Tools Details
  • A01B33/12 - Arrangement of the tools Screening of the tools
  • A01B33/125 - screening of tools rotating about a vertical shaft

• US Classifications

  • 172 - Earth working