3453590

Information

• Patent Grant
• 3453590

• References
• Source

• Patent Number

  3,453,590

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1969
  55 years ago

• CPC

  • B60C23/0469 - Transmission by sound
  • B60C23/041 - Means for supplying power to the signal- transmitting means on the wheel

• US Classifications

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