1398734

Information

• Patent Grant
• 1398734

• References
• Source

• Patent Number

  1,398,734

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1921
  103 years ago

• CPC

  • F23J11/12 - Smoke conduit systems for factories or large buildings

• US Classifications

  • 110 - Furnaces
  • 095 - Gas separation: processes
  • 261 - Gas and liquid contact apparatus
  • 454 - Ventilation