3747767

Information

• Patent Grant
• 3747767

• References
• Source

• Patent Number

  3,747,767

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1973
  51 years ago

• CPC

  • C02F9/005 - Portable or detachable small-scale multistage treatment devices
  • B01D23/14 - carbon filters
  • B01D35/28 - Strainers not provided for elsewhere
  • B01J8/18 - with fluidised particles
  • B01J47/024 - where the ion-exchangers are in a removable cartridge
  • C02F1/003 - using household-type filters for producing potable water
  • C02F2201/006 - Cartridges
  • C02F2307/04 - as part of a pitcher or jug

• US Classifications

  • 210 - Liquid purification or separation