USPTO serial 72106941
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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 | PROTECTOR UNITS HAVING AN AIR GAP TO DISCHARGE STATIC CHARGES AND A FUSIBLE ELEMENT TO ESTABLISH A DIRECT METALLIC CIRCUIT TO GROUND FOR POWER SURGES OR FAULT CURRENTS, SAID UNITS SOLD TO TELEPHONE COMPANIES FOR USE IN TELEPHONE STATION PROTECTORS AND THE LIKE | EXPIRED | Apr 7, 1960 |
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 |
|---|---|---|---|
| Sep 17, 1987 | EXRG | EXPIRED SEC. 9 | — |