2256481

Information

• Patent Grant
• 2256481

• References
• Source

• Patent Number

  2,256,481

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1941
  83 years ago

• CPC

  • C22B15/006 - working up of molten copper
  • C22B15/0045 - in muffles, crucibles, or closed vessels

• US Classifications

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