3755935

Information

• Patent Grant
• 3755935

• References
• Source

• Patent Number

  3,755,935

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1973
  51 years ago

• CPC

  • B42D25/405 - Marking
  • B42D25/00 - Information-bearing cards or sheet-like structures characterised by identification or security features Manufacture thereof
  • B42D25/309 - Photographs
  • B42D25/382 - absorbing or reflecting infra-red light
  • B42D25/387 - absorbing or reflecting ultra-violet light
  • B42D25/475 - Cutting cards
  • B42D2033/04 - Transparent material
  • B42D2033/08 - Opaque material
  • B42D2033/16 - Magnetic or magnetisable material
  • B42D2033/20 - Coloured material Pigments or inks
  • B42D2033/22 - Perforated or incised material
  • B42D2035/02 - Nature of the markings
  • B42D2035/06 - Picture of the user
  • B42D2035/08 - Alphanumerical data
  • B42D2035/12 - Shape of the markings
  • B42D2035/26 - Halftone or interference patterns
  • B42D2035/34 - Markings visible under particular conditions or containing coded information
  • B42D2035/50 - Corresponding markings appearing in different shapes or at different places

• US Classifications

  • 283 - Printed matter