3556227

Information

• Patent Grant
• 3556227

• References
• Source

• Patent Number

  3,556,227

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1971
  53 years ago

• CPC

  • A01B35/20 - Tools Details
  • A01B49/02 - with two or more soil-working tools of different kind

• US Classifications

  • 172 - Earth working