USPTO serial 72209639
Reviewed by CopyMark Law Group
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 | ELECTRIC RESISTORS; ELECTRIC RHEOSTATS AND POTENTIOMETERS; ELECTRIC CONTACTORS INCLUDING SWITCHES; ELECTRIC RELAYS; LIGHTING CONTROL SYSTEMS AND COMPONENTS INCLUDING SWITCHBOARDS AND DIMMERS-NAMELY, ELECTRIC CYCLE DIMMERS FOR LIGHTS, AUTOTRANSFORMERS, MOTORIZED AUTOTRANSFORMERS, INDIVIDUALLY AND IN BANKS, AND SOLID STATE CONTROLLED DEVICES; MOTOR GENERATOR CONTROLLERS; MOTOR AND GENERATOR REGULATORS USING MAGNETIC AMPLIFIERS; ELECTRIC MOTOR STARTERS AND CONTROL DEVICES ASSOCIATED THEREWITH; AND VOLTAGE AND SPEED REGULATORS FOR MOTOR GENERATOR SETS AND GENERATORS | EXPIRED | Jan 27, 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 |
|---|---|---|---|
| Jan 26, 1989 | EXRG | EXPIRED SEC. 9 | — |