3455779

Information

• Patent Grant
• 3455779

• References
• Source

• Patent Number

  3,455,779

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1969
  55 years ago

• CPC

  • D21J1/18 - Hardboard
  • C08L97/02 - Lignocellulosic material

• US Classifications

  • 162 - Paper making and fiber liberation