USPTO serial 72309660
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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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| Class | Description | Status | First use |
|---|---|---|---|
| 006 | FOAMING AGENT FOR OIL WELL DRILLING AND PRODUCTION; CHEMICAL COMPOSITION FOR SOLUTION IN OIL FIELD FLUID FOR INHIBITING CORROSION AND SCALE IN PIPING AND CONTAINERS; CHEMICAL AGENT FOR STIMULATING PETROLEUM WELLS; PARAFFIN SOLVENT FOR PIPES AND CONTAINERS IN OIL FIELD USE; CHEMICAL COMPOSITION FOR DISSOLVING AND SUSPENDING PARAFFIN IN PETROLEUM PRODUCTS | EXPIRED | Aug 29, 1968 |
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 | — |