1925687

Information

• Patent Grant
• 1925687

• References
• Source

• Patent Number

  1,925,687

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1933
  91 years ago

• CPC

  • C22B13/06 - Refining
  • C22B13/08 - Separating metals from lead by precipitating

• US Classifications

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