USPTO serial 73021558
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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 |
|---|---|---|---|
| 007 | MATERIALS HANDLING AND CLASSIFICATION SYSTEMS-NAMELY, MOTOR DRIVEN BLOWERS, FEEDER VALVES, RECEIVERS, STORAGE VESSELS, ROTARY VALVES, CAR UNLOADERS, CONTROL PANELS, SEPARATORS, GRATERS, AND ASPIRATORS | EXPIRED | Sep 7, 1973 |
| 009 | BURNER MANAGEMENT CONTROLS | EXPIRED | — |
| 011 | COMBUSTION SYSTEMS-NAMELY, BURNERS, OIL ATOMIZERS, AND AIR REGISTERS | EXPIRED | — |
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 7, 1997 | EXRG | EXPIRED SEC. 9 | — |
| Aug 2, 1982 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |