3044054

Information

• Patent Grant
• 3044054

• References
• Source

• Patent Number

  3,044,054

• Date Filed

  Not available

• Date Issued

  Tuesday, July 10, 1962
  62 years ago

• CPC

  • H04W88/027 - using frequency address codes
  • H04B5/04 - Calling systems
  • H04B5/06 - using a portable transmitter associated with a microphone

• US Classifications

  • 340 - Communications: electrical
  • 331 - Oscillators
  • 379 - Telephonic communications
  • 455 - Telecommunications