US Trademark Classification US11 Lighting, heating and air conditioning 燃气灶面（011-636） Class 11 燃气灶面 011-636 Chinese 燃气灶面 English Gas cooktops Spanish estufas de gas Term ID 011-636 Class 11 Type Goods Status Active · added, not since modified (A) Effective date 2004-08-01 Version 08-2002