3814401

Information

• Patent Grant
• 3814401

• References
• Source

• Patent Number

  3,814,401

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1974
  50 years ago

• CPC

  • C21D1/74 - Methods of treatment in inert gas, controlled atmosphere, vacuum, or pulverulent material
  • C21D9/0031 - Rotary furnaces with horizontal or slightly inclined axis

• US Classifications

  • 266 - Metallurgical apparatus
  • 432 - Heating