927121

Information

• Patent Grant
• 927121

• References
• Source

• Patent Number

  927,121

• Date Filed

  Not available

• Date Issued

  Tuesday, July 6, 1909
  115 years ago

• CPC

  • A01B39/04 - drawn by animal or tractor
  • A01D17/22 - with several co-operating sifter bands

• US Classifications

  • 171 - Unearthing plants or buried objects
  • 172 - Earth working