311622

Information

• Patent Grant
• 311622

• References
• Source

• Patent Number

  311,622

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1885
  140 years ago

• CPC

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

• US Classifications

  • 209 - Classifying, separating, and assorting solids