3019297

Information

• Patent Grant
• 3019297

• References
• Source

• Patent Number

  3,019,297

• Date Filed

  Not available

• Date Issued

  Tuesday, January 30, 1962
  63 years ago

• CPC

  • H04M15/36 - Charging, billing or metering arrangements for party-lines
  • H04Q5/00 - Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange

• US Classifications

  • 379 - Telephonic communications