US Trademark Classification US11 Lighting, heating and air conditioning 燃气暖炉（011-616） Class 11 Gas fires 011-616 燃气暖炉 Chinese 燃气暖炉 English Gas fires Spanish Chimeneas de gas Term ID 011-616 Class 11 Type Goods Status Active · added, not since modified (A) Effective date 2004-07-20 Version 08-2002