1991286

Information

• Patent Grant
• 1991286

• References
• Source

• Patent Number

  1,991,286

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1935
  90 years ago

• CPC

  • B01D23/20 - Feed or discharge devices
  • B01D29/15 - arranged for inward flow filtration

• US Classifications

  • 210 - Liquid purification or separation