2222893

Information

• Patent Grant
• 2222893

• References
• Source

• Patent Number

  2,222,893

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1940
  84 years ago

• CPC

  • F23B60/02 - with combustion air supplied through a grate
  • F23B80/04 - by means for guiding the flow of flue gases
  • F23B2700/009 - adapted for use in various steam boilers
  • F23B2700/011 - with fuel shaft for steam boilers

• US Classifications

  • 126 - Stoves and furnaces
  • 236 - Automatic temperature and humidity regulation