US Trademark Classification US04 Industrial oils, greases and fuels Biokerosene Class 04 Biokerosene 004-793 生物煤油 Chinese 生物煤油 English Biokerosene Spanish Bioqueroseno Term ID 004-793 Class 04 Type Goods Status Active · added, not since modified (A) Effective date 2024-08-08 Version 12-2024