3465131

Information

• Patent Grant
• 3465131

• References
• Source

• Patent Number

  3,465,131

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1969
  55 years ago

• CPC

  • G06K7/088 - using magneto-sensitive switches
  • G07F7/086 - by passive credit-cards adapted therefor

• US Classifications

  • 235 - Registers
  • 200 - Electricity: circuit makers and breakers
  • 340 - Communications: electrical