3855131

Information

• Patent Grant
• 3855131

• References
• Source

• Patent Number

  3,855,131

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1974
  50 years ago

• CPC

  • B01D33/0315 - arranged for inward flow filtration
  • B01D2201/0461 - Springs

• US Classifications

  • 210 - Liquid purification or separation
  • 055 - Gas separation
  • 209 - Classifying, separating, and assorting solids