3772200

Information

• Patent Grant
• 3772200

• References
• Source

• Patent Number

  3,772,200

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1973
  51 years ago

• CPC

  • G06K19/06 - characterised by the kind of the digital marking
  • G06K19/06009 - with optically detectable marking
  • G09F3/00 - Labels, tag tickets, or similar identification or indication means Seals Postage or like stamps
  • G21H5/02 - as tracers
  • G06K2019/06234 - miniature-code
  • Y10S149/123 - Tagged compositions for identifying purposes

• US Classifications

  • 252 - Compositions
  • 149 - Explosive and thermic compositions or charges
  • 162 - Paper making and fiber liberation
  • 250 - Radiant energy
  • 283 - Printed matter
  • 424 - Drug, bio-affecting and body treating compositions