765584

Information

• Patent Grant
• 765584

• References
• Source

• Patent Number

  765,584

• Date Filed

  Not available

• Date Issued

  Tuesday, July 19, 1904
  120 years ago

• CPC

  • A01D17/22 - with several co-operating sifter bands

• US Classifications

  • 171 - Unearthing plants or buried objects
  • 209 - Classifying, separating, and assorting solids