1389484

Information

• Patent Grant
• 1389484

• References
• Source

• Patent Number

  1,389,484

• Date Filed

  Not available

• Date Issued

  Tuesday, August 30, 1921
  103 years ago

• CPC

  • A01B63/08 - operated by the movement of the tractor
  • A01B9/003 - with tools on horizontal shaft transverse to direction of travel

• US Classifications

  • 172 - Earth working