1967274

Information

• Patent Grant
• 1967274

• References
• Source

• Patent Number

  1,967,274

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1934
  90 years ago

• CPC

  • C22B19/00 - Obtaining zinc or zinc oxide
  • C22B4/04 - Heavy metals
  • C22B19/36 - in blast or reverberatory furnaces
  • F27B17/00 - Furnaces of a kind not covered by any preceding group

• US Classifications

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