1449774

Information

• Patent Grant
• 1449774

• References
• Source

• Patent Number

  1,449,774

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1923
  102 years ago

• CPC

  • B01D33/073 - arranged for inward flow filtration
  • B01D33/465 - take-off rollers

• US Classifications

  • 210 - Liquid purification or separation