1974392

Information

• Patent Grant
• 1974392

• References
• Source

• Patent Number

  1,974,392

• Date Filed

  Not available

• Date Issued

  Tuesday, September 18, 1934
  90 years ago

• CPC

  • F27B14/14 - Arrangements of heating devices
  • F27D2099/0036 - immersed in the charge

• US Classifications

  • 126 - Stoves and furnaces
  • 266 - Metallurgical apparatus