2176674

Information

• Patent Grant
• 2176674

• References
• Source

• Patent Number

  2,176,674

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1939
  85 years ago

• CPC

  • F27D25/008 - using fluids or gases
  • F27B3/002 - Siemens-Martin type furnaces

• US Classifications

  • 432 - Heating