1775713

Information

• Patent Grant
• 1775713

• References
• Source

• Patent Number

  1,775,713

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1930
  94 years ago

• CPC

  • C21B13/14 - Multi-stage processes processes carried out in different vessels or furnaces
  • C21B5/002 - Heated electrically (plasma)
  • C21B13/02 - in shaft furnaces
  • C21B13/026 - heated electrically

• US Classifications

  • 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
  • 200 - Electricity: circuit makers and breakers
  • 423 - Chemistry of inorganic compounds