USPTO serial 72272337
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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 | ELECTRONIC AUDIO DETECTION SYSTEMS INDICATING AN ALARM CONDITION CONSISTING OF SOUND DETECTION MEANS, CANCELLATION SENSITIVITY CONTROLS, RESET CONTROLS, INPUT SENSORS, KEY SWITCH AND TIME CLOCK TAMPER SWITCHES, EMERGENCY BATTERY SOURCES, ALARM RELAYS, INPUT UNITS, AND PARTS THEREOF | EXPIRED | Apr 24, 1967 |
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 3, 1992 | EXRG | EXPIRED SEC. 9 | — |