2521666

Information

• Patent Grant
• 2521666

• References
• Source

• Patent Number

  2,521,666

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1950
  74 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
  • Y10S425/811 - Stencil

• US Classifications

  • 118 - Coating apparatus
  • 425 - Plastic article or earthenware shaping or treating: apparatus