USPTO serial 72160043
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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 |
|---|---|---|---|
| 026 | GEIGER COUNTER TUBES, VOLTAGE REGULATORS UTILIZING CORONA DISCHARGE FOR OBTAINING STABILIZED VOLTAGES, IONIZATION CHAMBERS, SECONDARY EMISSION DETECTORS, MEDICAL INSTRUMENT SYSTEMS FOR MEASURING UPTAKE OF RADIO ISOTOPES IN TISSUE, RATE METERS FOR RADIO ACTIVITY INDICATION AND ELECTRONIC PULSE COUNTERS | EXPIRED | Mar 5, 1962 |
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 |
|---|---|---|---|
| May 18, 1984 | EXRG | EXPIRED SEC. 9 | — |