3250637

Information

• Patent Grant
• 3250637

• References
• Source

• Patent Number

  3,250,637

• Date Filed

  Not available

• Date Issued

  Tuesday, May 10, 1966
  59 years ago

• CPC

  • B41C1/148 - by a traditional thermographic exposure using the heat- or light- absorbing properties of the pattern on the original
  • Y10S428/913 - Material designed to be responsive to temperature, light, moisture
  • Y10T428/2495 - Thickness [relative or absolute]
  • Y10T428/27 - Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]
  • Y10T428/277 - Cellulosic substrate
  • Y10T428/31808 - Cellulosic is paper

• US Classifications

  • 428 - Stock material or miscellaneous articles