2875327

Information

• Patent Grant
• 2875327

• References
• Source

• Patent Number

  2,875,327

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1959
  65 years ago

• CPC

  • H04B1/60 - Supervising unattended repeaters

• US Classifications

  • 455 - Telecommunications
  • 340 - Communications: electrical
  • 370 - Multiplex communications