USPTO serial 72288421
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This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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CHIYODA-KU, TOKYO, JP
| Class | Description | Status | First use |
|---|---|---|---|
| 006 | SODIUM CARBONATE, CAUSTIC SODA, SODIUM BICARBONATE, SODIUM SESQUICARBONATE, POTASSIUM CARBONATE, POTASSIUM HYDROXIDE, AMMONIUM CHLORIDE, CALCIUM CHLORIDE, HYDROCHLORIDE ACID, SILICA GEL, SODIUM BICHROMATE, SODIUM CHROMATE, CHROMIC ACID, SODIUM TRIPOLYPHOSPHATE, MAGNESIUM HYDROXIDE, MAGNESIUM CHLORIDE, CHLORIDE, EPICHLOROHYDRIN, PROPYLENEGLYCOL, CARBON TETRACHLORIDE, TRICHLORO ETHYLENE, PERCHLOROETHYLENE, METHYLENE CHLORIDE, AND FLUORINATED HYDROCARBONS USED AS REFRIGERANTS, PROPELLANTS, BLOWING AGENTS, FIRE EXTINGUISHING AGENTS, AND SOLVENTS | EXPIRED | — |
| 031 | ION-PERMSELECTIVE MEMBRANES | EXPIRED | — |
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
| Date | Code | Event | What it means |
|---|---|---|---|
| Nov 4, 1992 | EXRG | EXPIRED SEC. 9 | — |