USPTO serial 72404442
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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 | ELECTRIC DAMPER AND VALVE ACTUATORS; THERMAL VALVE AND DAMPER ACTUATORS; ELECTRIC HYDRAULIC VALVE AND DAMPER ACTUATORS; ELECTRIC-PRESSURE TRANSDUCERS; PRESSURE-ELECTRIC SWITCHES; PRESSURE-ELECTRIC TRANSDUCERS; ELECTRICAL CONTACTORS; SERVO UNITS; MOTOR CONTROLS; FIRE, SMOKE, AND HEAT, DETECTOR AND ALARM SYSTEMS; POSITION INDICATOR SWITCHES AND NETWORKS; AMPLIFIERS; CURRENT-TO-VOLTAGE CONVERTERS; VOLTAGE LIMITERS; REMOTE SET POINT CONTROLS; RESET CONTROLS; SIGNAL DISCRIMINATORS; TRANSFORMERS; AC AND DC POWER SUPPLIES; DATA ACQUISITION AND DATA TRANSMISSION SYSTEMS; ELECTRICALLY-OPERATED INDICATORS FOR TEMPERATURE, PRESSURE, AND HUMIDITY; ELECTRIC AND SOLID STATE SWITCHES AND RELAYS; ELECTRIC AND SOLID STATE LIMIT SWITCHES AND CONTROLS; ELECTRIC OVERLOAD CONTROLS; SURVEILLANCE SYSTEMS COMPRISING ELECTRICAL SIGNALLING BETWEEN REMOTE AREAS AND A CONTROL STATION; ELECTRONIC CONTROLLERS FOR MOTOR SPEED, STATIC PRESSURE, AND LOAD LIMITING; ELECTROHYDRAULIC POWER PACKS; ELECTRIC NETWORKS FOR POSITION INDICATOR, OUT-PUT LIMITING, REVERSING, SEQUENCING, STAGING; SOLENOID VALVE OPERATORS; AND PARTS AND COMPONENTS FOR ALL OF THE FOREGOING | 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 6, 1995 | EXRG | EXPIRED SEC. 9 | — |
| Aug 17, 1981 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |
| Jun 23, 1981 | A7OK | AMENDMENT UNDER SECTION 7 - PROCESSED | — |