USPTO serial 72211571
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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 |
|---|---|---|---|
| 023 | MOTOR-DRIVEN GYRATORY UNITS FOR USE IN FOUNDRIES IN CONNECTION WITH SCREENING AND CONDITIONING OF MOLDING SAND AND REMOVING SCRAP THEREFROM, AND ALSO BREAKING UP LUMPS IN CORE SAND AND SHELL MOLDING SAND | EXPIRED | Jun 11, 1953 |
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 17, 1989 | EXRG | EXPIRED SEC. 9 | — |