US Trademark Classification US09 Scientific and electronic apparatus 水下发光安全信标（009-6831） Class 09 水下发光安全信标 009-6831 Chinese 水下发光安全信标 English Underwater luminous safety beacons Term ID 009-6831 Class 09 Type Goods Status Active · added, not since modified (A) Effective date 2024-02-29 Version 12-2024