2181097

Information

• Patent Grant
• 2181097

• References
• Source

• Patent Number

  2,181,097

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1939
  85 years ago

• CPC

  • C23F11/02 - in air or gases by adding vapour phase inhibitors
  • C22F1/02 - in inert or controlled atmosphere or vacuum
  • F27D1/1684 - by a special coating applied to the lining

• US Classifications

  • 266 - Metallurgical apparatus