2166167

Information

• Patent Grant
• 2166167

• References
• Source

• Patent Number

  2,166,167

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1939
  85 years ago

• CPC

  • C22B11/12 - Apparatus therefor

• US Classifications

  • 209 - Classifying, separating, and assorting solids