3892981

Information

• Patent Grant
• 3892981

• References
• Source

• Patent Number

  3,892,981

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1975
  49 years ago

• CPC

  • H01H37/70 - Resetting means
  • F23N5/082 - using electronic means
  • F23N5/242 - using electronic means
  • F23N2029/00 - Flame sensors
  • H01H2037/705 - wherein the switch cannot be closed when the temperature is above a certain value
  • Y10T307/773 - Light, heat, vibratory or radiant energy

• US Classifications

  • 307 - Electrical transmission or interconnection systems
  • 337 - Electricity: electrothermally or thermally actuated switches
  • 431 - Combustion