USPTO serial 72249817
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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 | ENGINE-GENERATOR UNITS CONSISTING OF AN INTERNAL COMBUSTION ENGINE AND A GENERATOR AND PARTS AND CONTROLS THEREFOR-NAMELY, MERCURY TIME-DELAY RELAYS AND MECHANICAL TIMERS, STOPPING AND STARTING SWITCHES, AUTOMATIC VOLTAGE REGULATORS AND REVERSE CURRENT RELAYS, LOAD CIRCUIT BREAKERS, AND PANELS AND CABINETS FOR THE FOREGOING CONTROLS | EXPIRED | Feb 17, 1964 |
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 22, 1987 | EXRG | EXPIRED SEC. 9 | — |