1661501

Information

• Patent Grant
• 1661501

• References
• Source

• Patent Number

  1,661,501

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1928
  96 years ago

• CPC

  • B07B1/14 - Roller screens
  • B07B1/145 - the material to be screened moving along the axis of the parallel elements

• US Classifications

  • 209 - Classifying, separating, and assorting solids