3693156

Information

• Patent Grant
• 3693156

• References
• Source

• Patent Number

  3,693,156

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1972
  52 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
  • G06Q20/4037 - Remote solvency checks

• US Classifications

  • 340 - Communications: electrical
  • 101 - Printing