1832354

Information

• Patent Grant
• 1832354

• References
• Source

• Patent Number

  1,832,354

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1931
  93 years ago

• CPC

  • C22B19/06 - in muffle furnaces
  • C22B19/04 - Obtaining zinc by distilling
  • C22B19/14 - in vertical retorts

• US Classifications

  • 432 - Heating
  • 266 - Metallurgical apparatus
  • 373 - Industrial electric heating furnaces