3721956

Information

• Patent Grant
• 3721956

• References
• Source

• Patent Number

  3,721,956

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1973
  51 years ago

• CPC

  • B62H5/20 - indicating unauthorized use
  • B60R25/1007 - comprising associated circuitry

• US Classifications

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