2278526

Information

• Patent Grant
• 2278526

• References
• Source

• Patent Number

  2,278,526

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1942
  83 years ago

• CPC

  • D21F1/74 - using cylinders
  • D21F9/04 - of the cylinder type

• US Classifications

  • 210 - Liquid purification or separation
  • 162 - Paper making and fiber liberation