3133855

Information

• Patent Grant
• 3133855

• References
• Source

• Patent Number

  3,133,855

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1964
  60 years ago

• CPC

  • D21H23/30 - Pretreatment of the paper
  • D21F11/006 - Making patterned paper
  • D21H5/0007 - Pretreatment of paper to which liquids or other fluent materials are to be applied
  • Y10T428/31993 - Of paper

• US Classifications

  • 162 - Paper making and fiber liberation
  • 427 - Coating processes
  • 428 - Stock material or miscellaneous articles