1189521

Information

• Patent Grant
• 1189521

• References
• Source

• Patent Number

  1,189,521

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1916
  108 years ago

• CPC

  • B01D23/24 - Regeneration of the filter material in the filter
  • B01D23/18 - Bottoms of filter beds

• US Classifications

  • 210 - Liquid purification or separation