3412293

Information

• Patent Grant
• 3412293

• References
• Source

• Patent Number

  3,412,293

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1968
  56 years ago

• CPC

  • F23N5/203 - using electronic means
  • F16K31/485 - and specially adapted for gas valves
  • F23N5/08 - using light-sensitive elements
  • F23N5/082 - using electronic means

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 236 - Automatic temperature and humidity regulation
  • 250 - Radiant energy
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 431 - Combustion