2174901

Information

• Patent Grant
• 2174901

• References
• Source

• Patent Number

  2,174,901

• Date Filed

  Not available

• Date Issued

  Tuesday, October 3, 1939
  85 years ago

• CPC

  • F23K3/14 - feeding by screw
  • F24H1/187 - using solid fuel

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 110 - Furnaces
  • 126 - Stoves and furnaces
  • 236 - Automatic temperature and humidity regulation