3513441

Information

• Patent Grant
• 3513441

• References
• Source

• Patent Number

  3,513,441

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1970
  54 years ago

• CPC

  • G07F7/08 - by coded identity card or credit card or other personal identification means
  • G06C27/00 - Computing machines characterised by the structural interrelation of their functional units
  • G06K7/04 - by mechanical means
  • G06Q20/4037 - Remote solvency checks

• US Classifications

  • 340 - Communications: electrical
  • 235 - Registers