USPTO serial 72129176
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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 |
|---|---|---|---|
| 044 | ELECTRONIC INSTRUMENT FOR ENERGIZING AND ACTIVATING OXYGEN OF INDOOR AIR IN BIOCHEMICAL THERAPY FOR TREATMENT OF RESPIRATORY AND INFLAMMATORY CONDITIONS, ESSENTIAL HYPERTENSION AND SKIN DYSFUNCTIONS | EXPIRED | May 12, 1961 |
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| Date | Code | Event | What it means |
|---|---|---|---|
| Sep 26, 1987 | EXRG | EXPIRED SEC. 9 | — |