3867210

Information

• Patent Grant
• 3867210

• References
• Source

• Patent Number

  3,867,210

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1975
  50 years ago

• CPC

  • C21D3/02 - Extraction of non-metals
  • C21D1/74 - Methods of treatment in inert gas, controlled atmosphere, vacuum, or pulverulent material
  • C21D1/76 - Adjusting the composition of the atmosphere
  • F16L9/02 - of metal

• US Classifications

  • 148 - Metal treatment