2140180

Information

• Patent Grant
• 2140180

• References
• Source

• Patent Number

  2,140,180

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1938
  86 years ago

• CPC

  • B03B5/50 - Rake classifiers

• US Classifications

  • 209 - Classifying, separating, and assorting solids
  • 198 - Conveyors: power-driven