2851529

Information

• Patent Grant
• 2851529

• References
• Source

• Patent Number

  2,851,529

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1958
  66 years ago

• CPC

  • H04J1/16 - Monitoring arrangements
  • H04B17/403 - generated by local oscillators

• US Classifications

  • 379 - Telephonic communications
  • 455 - Telecommunications