3087019

Information

• Patent Grant
• 3087019

• References
• Source

• Patent Number

  3,087,019

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1963
  61 years ago

• CPC

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

• US Classifications

  • 379 - Telephonic communications