US Trademark Classification US05 Pharmaceuticals Algaecides Class 05 Algaecides 005-2756 杀藻剂 Chinese 杀藻剂 English Algaecides Spanish Alguicidas Term ID 005-2756 Class 05 Type Goods Status Active · added, not since modified (A) Effective date 2025-03-06 Version 12-2025