2640692

Information

• Patent Grant
• 2640692

• References
• Source

• Patent Number

  2,640,692

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1953
  71 years ago

• CPC

  • F27B3/002 - Siemens-Martin type furnaces

• US Classifications

  • 266 - Metallurgical apparatus
  • 055 - Gas separation
  • 110 - Furnaces
  • 432 - Heating