2733720

Information

• Patent Grant
• 2733720

• References
• Source

• Patent Number

  2,733,720

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1956
  69 years ago

• CPC

  • D21H13/42 - Asbestos
  • D21H5/16 - Tobacco or cigarette paper
  • D21H5/183 - of asbestos fibres
  • D21H11/00 - Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
  • D21H17/66 - Salts

• US Classifications

  • 162 - Paper making and fiber liberation