3873445

Information

• Patent Grant
• 3873445

• References
• Source

• Patent Number

  3,873,445

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1975
  50 years ago

• CPC

  • C02F3/1242 - Small compact installations for use in homes, apartment blocks, hotels or the like
  • C02F1/76 - with halogens or compounds of halogens
  • C02F2103/005 - Black water originating from toilets
  • C02F2209/02 - Temperature
  • C02F2301/106 - Thermophilic treatment
  • Y02W10/15 - Aerobic processes
  • Y10S4/19 - Liquid-solid separators

• US Classifications

  • 210 - Liquid purification or separation
  • 004 - Baths, closets, sinks, and spittoons