3512708

Information

• Patent Grant
• 3512708

• References
• Source

• Patent Number

  3,512,708

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 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
  • G06Q20/347 - Passive cards
  • G07F7/1058 - PIN is checked locally

• US Classifications

  • 235 - Registers