3820938

Information

• Patent Grant
• 3820938

• References
• Source

• Patent Number

  3,820,938

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  51 years ago

• CPC

  • B60H1/2206 - controlling the operation of burners
  • F23N5/20 - with a time programme acting through electrical means
  • B60H2001/2231 - for proper or safe operation of the heater
  • B60H2001/224 - automatic operation
  • F23N2039/06 - Liquid fuels

• US Classifications

  • 431 - Combustion
  • 236 - Automatic temperature and humidity regulation