2686462

Information

• Patent Grant
• 2686462

• References
• Source

• Patent Number

  2,686,462

• Date Filed

  Not available

• Date Issued

  Tuesday, August 17, 1954
  70 years ago

• CPC

  • D21F1/0009 - Regulating the freeness of the pulp

• US Classifications

  • 162 - Paper making and fiber liberation