1997379

Information

• Patent Grant
• 1997379

• References
• Source

• Patent Number

  1,997,379

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1935
  89 years ago

• CPC

  • B03B5/50 - Rake classifiers

• US Classifications

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