2192732

Information

• Patent Grant
• 2192732

• References
• Source

• Patent Number

  2,192,732

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1940
  85 years ago

• CPC

  • F23Q7/04 - with fans for transfer of heat to fuel

• US Classifications

  • 219 - Electric heating
  • 126 - Stoves and furnaces
  • 392 - Electric resistance heating devices
  • 454 - Ventilation