1785139

Information

• Patent Grant
• 1785139

• References
• Source

• Patent Number

  1,785,139

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1930
  94 years ago

• CPC

  • C22B17/02 - by dry processes
  • C22B19/04 - Obtaining zinc by distilling

• US Classifications

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