2057237

Information

• Patent Grant
• 2057237

• References
• Source

• Patent Number

  2,057,237

• Date Filed

  Not available

• Date Issued

  Tuesday, October 13, 1936
  87 years ago

• CPC

  • C02F1/003 - using household-type filters for producing potable water
  • B01D23/10 - with loose filter material
  • B01D23/14 - carbon filters

• US Classifications

  • 210 - Liquid purification or separation