1255434

Information

• Patent Grant
• 1255434

• References
• Source

• Patent Number

  1,255,434

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1918
  107 years ago

• CPC

  • C22B15/0063 - Hydrometallurgy
  • Y10T29/5132 - Belt drive

• US Classifications

  • 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
  • 029 - Metal working
  • 423 - Chemistry of inorganic compounds