2520900

Information

• Patent Grant
• 2520900

• References
• Source

• Patent Number

  2,520,900

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1950
  74 years ago

• CPC

  • D21H19/06 - applied as liquid or powder
  • Y10T428/31678 - Of metal
  • Y10T428/31765 - Inorganic-containing or next to inorganic-containing
  • Y10T428/31775 - Paper
  • Y10T428/31808 - Cellulosic is paper

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 106 - Compositions: coating or plastic
  • 427 - Coating processes
  • 503 - Record receiver having plural interactive leaves or a colorless color former, method of use, or developer therefor