2229383

Information

• Patent Grant
• 2229383

• References
• Source

• Patent Number

  2,229,383

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1941
  84 years ago

• CPC

  • F27B7/06 - adapted for treating the charge in vacuum or special atmosphere
  • C21B11/06 - in rotary kilns
  • C22B15/00 - Obtaining copper
  • F27B17/00 - Furnaces of a kind not covered by any preceding group

• US Classifications

  • 266 - Metallurgical apparatus