3282720

Information

• Patent Grant
• 3282720

• References
• Source

• Patent Number

  3,282,720

• Date Filed

  Not available

• Date Issued

  Tuesday, November 1, 1966
  58 years ago

• CPC

  • G07C9/00047 - by means of the handwritten signature of the pass-holder
  • B41M3/146 - using a non human-readable pattern which becomes visible on reproduction
  • B42D25/29 - Securities Bank notes
  • Y10S283/902 - Anti-photocopy

• US Classifications

  • 427 - Coating processes
  • 101 - Printing
  • 283 - Printed matter