US Trademark Classification US41 Education and entertainment 在线体育博彩服务（041-2476） Class 41 在线体育博彩服务 041-2476 Chinese 在线体育博彩服务 English Online sports betting services Term ID 041-2476 Class 41 Type Services Status Active · added, not since modified (A) Effective date 2023-02-09 Version 12-2023