1650239

Information

• Patent Grant
• 1650239

• References
• Source

• Patent Number

  1,650,239

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1927
  97 years ago

• CPC

  • B03B5/64 - of the free settling type

• US Classifications

  • 209 - Classifying, separating, and assorting solids
  • 299 - Mining or in situ disintegration of hard material