3429691

Information

• Patent Grant
• 3429691

• References
• Source

• Patent Number

  3,429,691

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1969
  55 years ago

• CPC

  • C22B34/1286 - using hydrogen containing agents
  • C22B4/005 - using plasma jets

• US Classifications

  • 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
  • 373 - Industrial electric heating furnaces