3678460

Information

• Patent Grant
• 3678460

• References
• Source

• Patent Number

  3,678,460

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  53 years ago

• CPC

  • H02J13/0041 - using lamps or electromechanical means

• US Classifications

  • 340 - Communications: electrical
  • 361 - Electricity: electrical systems and devices