2069648

Information

• Patent Grant
• 2069648

• References
• Source

• Patent Number

  2,069,648

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1937
  88 years ago

• CPC

  • D21H19/84 - on both sides of the substrate
  • D21H19/82 - superposed
  • D21H19/822 - two superposed coatings, both being pigmented
  • D21H19/06 - applied as liquid or powder
  • D21H19/34 - comprising cellulose or derivatives thereof
  • D21H19/40 - siliceous
  • D21H19/50 - Proteins
  • D21H25/14 - the body being a casting drum, a heated roll or a calender

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 160 - Flexible or portable closure, partition, or panel
  • 427 - Coating processes