3760885

Information

• Patent Grant
• 3760885

• References
• Source

• Patent Number

  3,760,885

• Date Filed

  Not available

• Date Issued

  Tuesday, September 25, 1973
  51 years ago

• CPC

  • A01B13/025 - with passively driven rotating disc-like elements for forming the ridge

• US Classifications

  • 172 - Earth working
  • 037 - Excavating