1989036

Information

• Patent Grant
• 1989036

• References
• Source

• Patent Number

  1,989,036

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1935
  89 years ago

• CPC

  • D21H23/30 - Pretreatment of the paper
  • D21H5/0007 - Pretreatment of paper to which liquids or other fluent materials are to be applied

• US Classifications

  • 118 - Coating apparatus