3729710

Information

• Patent Grant
• 3729710

• References
• Source

• Patent Number

  3,729,710

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1973
  51 years ago

• CPC

  • H04Q9/10 - using single different frequencies
  • H02J13/0003 - for DC networks

• US Classifications

  • 340 - Communications: electrical