3158814

Information

• Patent Grant
• 3158814

• References
• Source

• Patent Number

  3,158,814

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1964
  60 years ago

• CPC

  • H04M15/38 - Charging, billing or metering by apparatus other than mechanical step-by-step counter type
  • H03K23/82 - using gas-filled tubes
  • H04Q5/00 - Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 315 - Electric lamp and discharge devices: systems
  • 361 - Electricity: electrical systems and devices