1438146

Information

• Patent Grant
• 1438146

• References
• Source

• Patent Number

  1,438,146

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1922
  102 years ago

• CPC

  • A01B63/08 - operated by the movement of the tractor

• US Classifications

  • 172 - Earth working
  • 280 - Land vehicles