2154132

Information

• Patent Grant
• 2154132

• References
• Source

• Patent Number

  2,154,132

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1939
  85 years ago

• CPC

  • C02F3/2886 - Two story combinations of the Imhoff tank type
  • C02F3/04 - using trickle filters
  • Y02W10/15 - Aerobic processes

• US Classifications

  • 210 - Liquid purification or separation