253936

Information

• Patent Grant
• 253936

• References
• Source

• Patent Number

  253,936

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1882
  143 years ago

• CPC

  • A01D17/04 - with conveyors arranged below the sieving device

• US Classifications

  • 209 - Classifying, separating, and assorting solids
  • 460 - Crop threshing or separating