1887816

Information

• Patent Grant
• 1887816

• References
• Source

• Patent Number

  1,887,816

• Date Filed

  Not available

• Date Issued

  Tuesday, November 15, 1932
  92 years ago

• CPC

  • C01B17/84 - Chamber process

• US Classifications

  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 261 - Gas and liquid contact apparatus