3273021

Information

• Patent Grant
• 3273021

• References
• Source

• Patent Number

  3,273,021

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1966
  58 years ago

• CPC

  • H04N3/1853 - using regulation in parallel

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 174 - Electricity: conductors and insulators
  • 348 - Television