US Trademark Classification US37 Construction and repair 为除味进行地毯清洁（037-2997） Class 37 为除味进行地毯清洁 037-2997 Chinese 为除味进行地毯清洁 English Carpet cleaning for odor removal Term ID 037-2997 Class 37 Type Services Status Active · added, not since modified (A) Effective date 2026-01-01 Version 13-2026