USPTO serial 72246221
Reviewed by CopyMark Law Group
This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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EAST BUTLER, PA
| Class | Description | Status | First use |
|---|---|---|---|
| 021 | INDUSTRIAL CONTROL EQUIPMENT AND SYSTEMS-NAMELY, POWER REGULATORS, INVERTERS, CONVERTERS, FREQUENCY MODIFIERS, REGULATED POWER SUPPLIES, TRANSFORMERS, AND SATURABLE REACTORS | EXPIRED | — |
| 026 | TRANSDUCTORS, MAGNETOMETERS, AND MAGNETIC-MEASURING INSTRUMENTATION-NAMELY, SHUNT AMPLIFIERS AND D.-C. CURRENT TRANSFORMERS | 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 3, 1992 | EXRG | EXPIRED SEC. 9 | — |