1331587

Information

• Patent Grant
• 1331587

• References
• Source

• Patent Number

  1,331,587

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1920
  104 years ago

• CPC

  • D21D5/16 - Cylinders and plates for screens
  • D21D5/023 - Stationary screen-drums

• US Classifications

  • 209 - Classifying, separating, and assorting solids
  • 210 - Liquid purification or separation