USPTO serial 72176759
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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 |
|---|---|---|---|
| 014 | REFRACTORY HARD METALS BEING COMPOUNDS FORMED BY REACTING BORON, CARBON, NITROGEN OR SILICON WITH EACH OTHER OR WITH TRANSITION METALS, SUCH AS TITANIUM, VANADIUM, CHROMIUM, ZIRCONIUM, COLUMBIUM, MOLYBDENUM, HAFNIUM, TANTALUM AND TUNGSTEN | EXPIRED | Oct 30, 1962 |
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 30, 1984 | EXRG | EXPIRED SEC. 9 | — |