3455577

Information

• Patent Grant
• 3455577

• References
• Source

• Patent Number

  3,455,577

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1969
  56 years ago

• CPC

  • G07C9/00055 - visually
  • G06K19/10 - at least one kind of marking being used for authentication
  • G06K19/14 - the marking being sensed by radiation
  • G07F7/086 - by passive credit-cards adapted therefor
  • Y10S283/904 - Credit card

• US Classifications

  • 283 - Printed matter
  • 235 - Registers
  • D19 - Office supplies