2218806

Information

• Patent Grant
• 2218806

• References
• Source

• Patent Number

  2,218,806

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1940
  84 years ago

• CPC

  • C22B19/16 - Distilling vessels
  • C22B19/06 - in muffle furnaces
  • F27B5/04 - adapted for treating the charge in vacuum or special atmosphere

• US Classifications

  • 432 - Heating