USPTO serial 72243748
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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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NEEDHAM HEIGHTS, MA
| Class | Description | Status | First use |
|---|---|---|---|
| 006 | MAGNESIUM SULFATE, ETHYLENE GLYCOL, CALCIUM CHLORIDE, SODIUM CHLORATE, AND CUPRIC SULFATE | EXPIRED | Jan 10, 1966 |
| 021 | ELECTRIC IMMERSION HEATERS | EXPIRED | Jan 10, 1966 |
| 026 | LABORATORY EQUIPMENT, CONSISTING OF THE FOLLOWING: SPECTROSCOPES AND SPECTROSCOPE KITS, THERMOMETERS, RULERS, MAGNIFIERS, AND ELECTRIC IMMERSION HEATERS | EXPIRED | Jan 10, 1966 |
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 | — |