3181977

Information

• Patent Grant
• 3181977

• References
• Source

• Patent Number

  3,181,977

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1965
  59 years ago

• CPC

  • C21D9/561 - with a controlled atmosphere or vacuum
  • C21D9/567 - with heating in fluidised beds

• US Classifications

  • 148 - Metal treatment
  • 165 - Heat exchange
  • 266 - Metallurgical apparatus
  • 432 - Heating