3674535

Information

• Patent Grant
• 3674535

• References
• Source

• Patent Number

  3,674,535

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1972
  52 years ago

• CPC

  • B41M5/3375 - Non-macromolecular compounds
  • B41M5/3338 - Inorganic compounds
  • Y10S428/913 - Material designed to be responsive to temperature, light, moisture

• US Classifications

  • 503 - Record receiver having plural interactive leaves or a colorless color former, method of use, or developer therefor
  • 428 - Stock material or miscellaneous articles
  • 524 - Synthetic resins or natural rubbers