3468046

Information

• Patent Grant
• 3468046

• References
• Source

• Patent Number

  3,468,046

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1969
  55 years ago

• CPC

  • G01N21/64 - Fluorescence Phosphorescence
  • B42D25/00 - Information-bearing cards or sheet-like structures characterised by identification or security features Manufacture thereof
  • G06K19/14 - the marking being sensed by radiation
  • G07C9/00055 - visually
  • B42D25/387 - absorbing or reflecting ultra-violet light
  • B42D2033/06 - Translucent material
  • B42D2033/10 - Metallic material
  • B42D2033/20 - Coloured material Pigments or inks
  • B42D2035/08 - Alphanumerical data
  • Y10S283/901 - Concealed data
  • Y10S283/904 - Credit card

• US Classifications

  • 283 - Printed matter