USPTO serial 72137717
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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 |
|---|---|---|---|
| 100 | ENGINEERING SERVICES IN DESIGNING, CONSTRUCTING, AND MAINTAINING FURNACE ENCLOSURES (ARCHES AND WALLS) FOR INDUSTRIAL FURNACES, SUCH AS THOSE USED FOR GENERATING POWER, STEEL MAKING, OIL REFINING, CEMENT AND CERAMIC PROCESSING, NON-FERROUS SMELTING, METAL MELTING, COMMERCIAL INCINERATING, CHEMICAL PROCESSING, AND THE LIKE | 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 |
|---|---|---|---|
| Sep 8, 1987 | EXRG | EXPIRED SEC. 9 | — |