163298

Information

• Patent Grant
• 163298

• References
• Source

• Patent Number

  163,298

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1875
  150 years ago

• CPC

  • B03B5/445 - composition of dry heavy media

• US Classifications

  • 209 - Classifying, separating, and assorting solids