USPTO serial 72272836
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 |
|---|---|---|---|
| 034 | EXHAUST UNIT WHICH COMPRISES A MOTOR DRIVEN BLOWER WITH AN OUTLET DUCT AND NOZZLE FOR MOUNTING IN A SMOKE STACK, AND THE LIKE, WHICH CAUSES AN ARTIFICIAL DRAFT WITHIN THE SMOKE STACK TO EXHAUST SMOKE, FUMES AND DUST AT HIGH VELOCITY | EXPIRED | May 3, 1967 |
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 4, 1992 | EXRG | EXPIRED SEC. 9 | — |