1146980

Information

• Patent Grant
• 1146980

• References
• Source

• Patent Number

  1,146,980

• Date Filed

  Not available

• Date Issued

  Tuesday, July 20, 1915
  109 years ago

• CPC

  • F24C3/14 - with special adaptation for travelling
  • F23J11/00 - Devices for conducting smoke or fumes
  • F24H9/0031 - with means for changing or adapting the path of the flue gas
  • F23J2211/101 - with coaxial duct arrangement
  • F23J2211/30 - Chimney or flue associated with building ventilation system
  • F23J2213/203 - between stack/duct and combustion apparatus

• US Classifications

  • 237 - Heating systems
  • 454 - Ventilation