1895878

Information

• Patent Grant
• 1895878

• References
• Source

• Patent Number

  1,895,878

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1933
  92 years ago

• CPC

  • C22B19/06 - in muffle furnaces
  • C22B19/34 - Obtaining zinc oxide

• US Classifications

  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 266 - Metallurgical apparatus
  • 423 - Chemistry of inorganic compounds