2782246

Information

• Patent Grant
• 2782246

• References
• Source

• Patent Number

  2,782,246

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1957
  69 years ago

• CPC

  • G05D23/2237 - using discharge tubes

• US Classifications

  • 373 - Industrial electric heating furnaces
  • 136 - Batteries: thermoelectric and photoelectric
  • 219 - Electric heating
  • 236 - Automatic temperature and humidity regulation
  • 307 - Electrical transmission or interconnection systems
  • 315 - Electric lamp and discharge devices: systems
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 361 - Electricity: electrical systems and devices