1057213

Information

• Patent Grant
• 1057213

• References
• Source

• Patent Number

  1,057,213

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1913
  111 years ago

• CPC

  • C22B15/0039 - in electric furnaces
  • C21C5/5217 - equipped with burners or devices for injecting gas

• US Classifications

  • 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
  • 048 - Gas: heating and illuminating
  • 373 - Industrial electric heating furnaces
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing