USPTO serial 72347269
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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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MINNEAPOLIS, MN
| Class | Description | Status | First use |
|---|---|---|---|
| 026 | ELECTRONIC TESTING INSTRUMENTS FOR INDICATING, CONTROLLING AND MONITORING-NAMELY, CALIBRATORS, SQUARE ROOT EXTRACTORS, MONITOR SWITCHES, SIGNAL ISOLATORS, SIGNAL LIMITERS, MULTIPLIER/DIVIDERS, ADDER/SUBTRACTORS, INTEGRATORS, MULTI-LOOP POWER SUPPLIERS, MILLIVOLT-TO-CURRENT TRANSMITTERS, VERTICAL SCALE INDICATING RATIO STATIONS, DEVIATION INDICATING CONTROL STATIONS, MANUAL CONTROL STATIONS, INDICATORS, RECORDERS AND TREND RECORDERS, COMPUTER MANUAL AUTOMATIC DIRECT DIGITAL CONTROL STATIONS, AND COMPUTER MANUAL DIRECT DIGITAL CONTROL STATIONS | EXPIRED | Sep 5, 1969 |
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 |
|---|---|---|---|
| Mar 1, 1993 | EXRG | EXPIRED SEC. 9 | — |
| Aug 9, 1977 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |