1731331

Information

• Patent Grant
• 1731331

• References
• Source

• Patent Number

  1,731,331

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1929
  95 years ago

• CPC

  • C01C3/025 - by using a plasma

• US Classifications

  • 204 - Chemistry: electrical and wave energy
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing