3738489

Information

• Patent Grant
• 3738489

• References
• Source

• Patent Number

  3,738,489

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1973
  51 years ago

• CPC

  • E03D5/016 - with recirculation of bowl-cleaning fluid
  • B01D29/33 - arranged for inward flow filtration
  • B01D29/66 - by flushing
  • B01D29/665 - by using pistons
  • B01D35/0276 - Filtering elements with a vertical rotation or symmetry axis mounted on tanks or reservoirs
  • B01D35/143 - Filter condition indicators
  • B01D2201/309 - Housings with transparent parts
  • Y10S4/19 - Liquid-solid separators

• US Classifications

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