2993828

Information

• Patent Grant
• 2993828

• References
• Source

• Patent Number

  2,993,828

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1961
  63 years ago

• CPC

  • D21F11/02 - of the Fourdrinier type
  • D21H23/00 - Processes or apparatus for adding material to the pulp or to the paper

• US Classifications

  • 162 - Paper making and fiber liberation