2684628

Information

• Patent Grant
• 2684628

• References
• Source

• Patent Number

  2,684,628

• Date Filed

  Not available

• Date Issued

  Tuesday, July 27, 1954
  70 years ago

• CPC

  • B41C1/148 - by a traditional thermographic exposure using the heat- or light- absorbing properties of the pattern on the original

• US Classifications

  • 101 - Printing
  • 162 - Paper making and fiber liberation