2804975

Information

• Patent Grant
• 2804975

• References
• Source

• Patent Number

  2,804,975

• Date Filed

  Not available

• Date Issued

  Tuesday, September 3, 1957
  67 years ago

• CPC

  • B07B1/26 - with additional axial or radial movement of the drum

• US Classifications

  • 209 - Classifying, separating, and assorting solids