USPTO serial 73027839
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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 |
|---|---|---|---|
| 009 | PRESSURE ACTUATED MONITORING AND CONTROL UNITS FOR PROTECTING PUMPING, COMPRESSING AND FLUID STORAGE EQUIPMENT AGAINST HIGH OR LOW PRESSURES, HIGH OR LOW TEMPERATURES, HIGH OR LOW LIQUID LEVELS, AND/OR HARMFUL VIBRATION, SAID UNITS CONTROLLING THE OPERATION OF THE POWER UNITS FOR SUCH EQUIPMENT, THE MAJOR COMPONENT OF SAID MONITORING AND CONTROL UNITS COMPRISING VALVES, INDICATING PANELS, MEASURING GAUGES, SWITCHES, ELECTRICAL WIRING, TUBING, VIBRATION SENSORS AND TIMERS | EXPIRED | Jan 1, 1974 |
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 |
|---|---|---|---|
| Jul 15, 1996 | EXRG | EXPIRED SEC. 9 | — |
| Mar 9, 1981 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |