USPTO serial 72209723
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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 |
|---|---|---|---|
| 052 | CHEMICAL AGENTS FOR INHIBITING, PREVENTING AND REMOVING DEPOSITS OF ASPHALT, WAX, PARAFFIN, ORGANIC MATERIALS, AND THE LIKE IN OIL WELLS, OIL COLLECTING LINES, TANKS, AND SIMILAR PETROLEUM HANDLING EQUIPMENT | EXPIRED | Dec 1, 1964 |
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 |
|---|---|---|---|
| Jan 13, 1989 | EXRG | EXPIRED SEC. 9 | — |