USPTO serial 72164899
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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 |
|---|---|---|---|
| 044 | BREATHING EQUIPMENT-NAMELY, PORTABLE AND FIXED AIR AND OXYGEN BREATHING SYSTEMS AND SELF-CONTAINED UNDERWATER BREATHING SYSTEMS; AND SEAT BACK PORTABLE OXYGEN HOLDERS, MASK HOSE CONNECTIONS, DEMAND REGULATORS, PRESSURE REGULATORS, AUDIBLE LOW PRESSURE ALARMS, THERAPEUTIC PLUGINS, OXYGEN OUTLETS, FILLER AND CHARGING COUPLINGS, PLUG IN COUPLINGS, MANIFOLD ASSEMBLIES, CYLINDER VALVES AND TURN-ON VALVES, MASKS AND MASK ASSEMBLIES, FLOW INDICATORS, OXYGEN FLOW CONTROL UNITS, OXYGEN CYLINDER AND VALVE ASSEMBLIES, EXTERNAL RECHARGING VALVE ASSEMBLIES, HARNESS ASSEMBLIES, CONNECTOR, BREATHING TUBES, FILTER AND CONTROL ASSEMBLIES, AND OXYGEN DROP-OUT COMPARTMENT LATCHES FOR SUCH SYSTEMS | EXPIRED | Jul 1, 1952 |
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 |
|---|---|---|---|
| May 18, 1984 | EXRG | EXPIRED SEC. 9 | — |