2975282

Information

• Patent Grant
• 2975282

• References
• Source

• Patent Number

  2,975,282

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1961
  63 years ago

• CPC

  • G06K1/126 - by photographic or thermographic registration
  • B42D12/00 - Book-keeping books, forms or arrangements
  • B42D25/00 - Information-bearing cards or sheet-like structures characterised by identification or security features Manufacture thereof
  • B42D25/346 - Perforations
  • B42D2033/32 - Other material
  • B42D2033/42 - with separable mating or co-operating elements
  • B42D2033/44 - combined with other objects
  • B42D2035/08 - Alphanumerical data
  • B42D2035/34 - Markings visible under particular conditions or containing coded information
  • B42D2035/50 - Corresponding markings appearing in different shapes or at different places
  • Y10S101/29 - Printing involving a color-forming phenomenon

• US Classifications

  • 250 - Radiant energy
  • 101 - Printing
  • 235 - Registers
  • 340 - Communications: electrical
  • 346 - Recorders
  • 355 - Photocopying