2191743

Information

• Patent Grant
• 2191743

• References
• Source

• Patent Number

  2,191,743

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1940
  84 years ago

• CPC

  • B03B5/50 - Rake classifiers

• US Classifications

  • 198 - Conveyors: power-driven
  • 209 - Classifying, separating, and assorting solids
  • 210 - Liquid purification or separation