1447071

Information

• Patent Grant
• 1447071

• References
• Source

• Patent Number

  1,447,071

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1923
  101 years ago

• CPC

  • C22B1/214 - in shaft furnaces

• US Classifications

  • 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
  • 266 - Metallurgical apparatus