3618517

Information

• Patent Grant
• 3618517

• References
• Source

• Patent Number

  3,618,517

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1971
  53 years ago

• CPC

  • G07F7/08 - by coded identity card or credit card or other personal identification means
  • B41L19/00 - Duplicating or printing apparatus or machines for office or other commercial purposes, of special types or for particular purposes and not otherwise provided for
  • B41L47/56 - Indicating, warning, control, or safety devices
  • G06Q20/403 - Solvency checks
  • G07F7/12 - Card verification

• US Classifications

  • 101 - Printing
  • 235 - Registers
  • 340 - Communications: electrical