3702135

Information

• Patent Grant
• 3702135

• References
• Source

• Patent Number

  3,702,135

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1972
  52 years ago

• CPC

  • B01D35/16 - Cleaning-out devices
  • B01D23/14 - carbon filters
  • C02F11/16 - using drying or composting beds
  • Y02W10/40 - Valorisation of by-products of wastewater, sewage or sludge processing

• US Classifications

  • 210 - Liquid purification or separation