US Trademark Classification US37 Construction and repair 出租洗衣机（037-2231） Class 37 出租洗衣机 037-2231 Chinese 出租洗衣机 English Rental of clothes-washing machines Term ID 037-2231 Class 37 Type Services Status Active · added, not since modified (A) Effective date 2021-07-29 Version 11-2021