3530944

Information

• Patent Grant
• 3530944

• References
• Source

• Patent Number

  3,530,944

• Date Filed

  Not available

• Date Issued

  Tuesday, September 29, 1970
  54 years ago

• CPC

  • A01B33/06 - with tools on vertical or steeply-inclined shaft
  • A01B39/085 - the rotating tools being actively driven

• US Classifications

  • 172 - Earth working