USPTO serial 72156404
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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 |
|---|---|---|---|
| 023 | FINISHED LOW FRICTION, TOUGH, ABRASION-AND CORROSION-RESISTANT MACHINE BUSHINGS IN BEARINGS TO BE OPERATED EITHER DRY OR SUBMERGED, ESPECIALLY WHEN THE BEARINGS ARE SUBMERGED IN SALT WATER, LIQUORS OF THE PAPER PROCESSING INDUSTRY, TANNING BATHS, DYES, FOODSTUFFS, OR IN ACIDS, ALKALIES, OR SOLVENTS UP TO APPROXIMATELY FIFTY PERCENT CONCENTRATION | EXPIRED | Apr 20, 1959 |
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 |
|---|---|---|---|
| Feb 24, 1988 | EXRG | EXPIRED SEC. 9 | — |