1947877

Information

• Patent Grant
• 1947877

• References
• Source

• Patent Number

  1,947,877

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1934
  91 years ago

• CPC

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

• US Classifications

  • 209 - Classifying, separating, and assorting solids