3047664

Information

• Patent Grant
• 3047664

• References
• Source

• Patent Number

  3,047,664

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1962
  62 years ago

• CPC

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

• US Classifications

  • 379 - Telephonic communications
  • 360 - Dynamic magnetic information storage or retrieval