USPTO serial 72261560
Reviewed by CopyMark Law Group
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 | PNEUMATIC RELAYS INCLUDING SIGNAL SELECTOR RELAYS, SIGNAL LIMITING RELAYS, CHARACTERIZING RELAYS AND FIXED RATIO RELAYS; PNEUMATIC CONTROL STATIONS INCLUDING ADJUSTABLE RATIO RELAYS, AUTOMATIC MANUAL TRANSFER STATIONS, AUTOMATIC MANUAL TRANSFER STATIONS, MANUAL LOADING STATIONS, AND INDICATING CONTROL STATIONS; PNEUMATIC ACTUATORS INCLUDING ON-OFF BURNER VANE ACTUATORS, POSITIONED BURNER VANE ACTUATORS, GENERAL PURPOSE ACTURATORS; ELECTRIC BURNER VANE ACTUATORS, PNEUMATIC FLOW TRANSMITTERS; CIRCULAR CHART RECORDERS; ELECTRIC COMBUSTION CONTROL SYSTEMS; AND STEAM TEMPERATURE CONTROL SYSTEMS | EXPIRED | Oct 5, 1934 |
| 034 | PNEUMATIC ROTARY SOOT BLOWERS, MANUAL ROTARY SOOT BLOWERS, ELECTRIC ROTARY SOOT BLOWERS, ROTARY SOOT BLOWER ELEMENTS AND MOUNTING EQUIPMENT, DESUPERHEATERS, DAMPERS, AND GAS FIRED IGNITORS | EXPIRED | Oct 5, 1934 |
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 | — |