3514754

Information

• Patent Grant
• 3514754

• References
• Source

• Patent Number

  3,514,754

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1970
  54 years ago

• CPC

  • G07F7/10 - together with a coded signal
  • G06C27/00 - Computing machines characterised by the structural interrelation of their functional units
  • G06K7/04 - by mechanical means
  • G06Q20/347 - Passive cards
  • G07F7/1075 - PIN is checked remotely

• US Classifications

  • 235 - Registers
  • 101 - Printing
  • 200 - Electricity: circuit makers and breakers