3109895

Information

• Patent Grant
• 3109895

• References
• Source

• Patent Number

  3,109,895

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1963
  60 years ago

• CPC

  • H04M15/38 - Charging, billing or metering by apparatus other than mechanical step-by-step counter type

• US Classifications

  • 379 - Telephonic communications