1670473

Information

• Patent Grant
• 1670473

• References
• Source

• Patent Number

  1,670,473

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1928
  96 years ago

• CPC

  • D21D5/06 - Rotary screen-drums
  • B01D33/11 - arranged for outward flow filtration
  • B01D33/68 - Retarding cake deposition on the filter during the filtration period

• US Classifications

  • 209 - Classifying, separating, and assorting solids