3025355

Information

• Patent Grant
• 3025355

• References
• Source

• Patent Number

  3,025,355

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1962
  63 years ago

• CPC

  • H04M15/36 - Charging, billing or metering arrangements for party-lines

• US Classifications

  • 379 - Telephonic communications