3029312

Information

• Patent Grant
• 3029312

• References
• Source

• Patent Number

  3,029,312

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1962
  63 years ago

• CPC

  • H04Q5/02 - with direct connection for all subscribers
  • H04M7/16 - in systems employing carrier frequencies

• US Classifications

  • 370 - Multiplex communications
  • 455 - Telecommunications