US Trademark Classification US11 Lighting, heating and air conditioning 抽油烟机（011-171） Class 11 抽油烟机 011-171 Chinese 抽油烟机 English Range hoods Spanish Campanas extractoras Term ID 011-171 Class 11 Type Goods Status Active · added, not since modified (A) Effective date 1991-04-02 Version 07-1997