USPTO serial 72305939
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 | SERVO SYSTEMS AND COMPONENTS THEREOF, INCLUDING SERVO VALVES, SERVO AMPLIFIERS, PROPORTIONAL SOLENOID VALVES, OPERATIONAL AMPLIFIERS, FLUID PRESSURE ACTUATORS, ELECTRO-MECHANICAL TRANSDUCERS, AND PARTS OF THE FOREGOING; AND ELECTRONIC CIRCUITS-NAMELY, POWER SUPPLY CIRCUITS, VOLTAGE REGULATOR CIRCUITS, EXCITER DEMODULATOR CIRCUITS, LIMIT DETECTOR CIRCUITS, AND RELAY AND DIGITAL LOGIC CIRCUITS | 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 |
|---|---|---|---|
| Nov 4, 1992 | EXRG | EXPIRED SEC. 9 | — |