USPTO serial 72252049
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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 | STEPPING SWITCH ASSEMBLIES, AMPLIFIER PACKAGES, PLUG-IN TRANSISTOR NETWORKS, PRINTED CIRCUIT MODULES, AND PRECISION WIRE WOUND RESISTORS | EXPIRED | May 18, 1965 |
| 026 | ANALOG COMPUTERS, DIGITAL DATA TRANSMISSION UNITS, PATCH PANELS, PLOTTING BOARDS, DIGITAL DATA RECEIVERS, DIGITAL TO ANALOG AND REVERSE CONVERTERS, FIRING SYSTEMS, COORDINATE CONVERTERS, OPTICAL TRACKING COMPUTERS, MONITORING BUFFER UNITS, REAL TIME DATA TRANSMISSION SYSTEMS, CODE GENERATORS, OPERATION RADAR DATA PROCESSING SYSTEMS, MULTIPLIERS AND RESOLVERS | ACTIVE | May 18, 1965 |
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 |
|---|---|---|---|
| Apr 30, 1987 | EXRG | EXPIRED SEC. 9 | — |