3423519

Information

• Patent Grant
• 3423519

• References
• Source

• Patent Number

  3,423,519

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1969
  56 years ago

• CPC

  • H04L12/1439 - time-based
  • H04L12/14 - Metering, charging or billing arrangements specially adapted for data wireline or wireless communications
  • H04L12/1485 - Tariff-related aspects
  • H04M15/10 - Metering calls from calling party
  • H04M15/38 - Charging, billing or metering by apparatus other than mechanical step-by-step counter type

• US Classifications

  • 178 - Telegraphy
  • 379 - Telephonic communications