USPTO serial 71462643
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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 |
|---|---|---|---|
| 021 | APPARATUS FOR PRODUCING HIGH FREQUENCY ELECTRIC CURRENTS AND HIGH FREQUENCY ELECTRIC AND MAGNETIC FIELDS AND APPARATUS FOR UTILIZING SUCH CURRENTS AND FIELDS IN THE HEATING OR OTHER TREATMENT OF MATERIALS, NOT INCLUDING WIRES AND CABLES EXTERNAL TO SAID APPARATUS | 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 |
|---|---|---|---|
| Mar 27, 1986 | EXRG | EXPIRED SEC. 9 | — |