USPTO serial 71471521
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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 |
|---|---|---|---|
| 012 | COUPLINGS FOR LOW PRESSURE WATER PIPE, SEWER PIPE, AND DRAIN PIPE THE COUPLINGS BEING MADE OF FIBRE, SUCH AS WOOD FIBRE, IMPREGNATED WITH BITUMINOUS MATERIAL, SUCH AS COAL TAR PITCH | EXPIRED | Jun 2, 1944 |
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 |
|---|---|---|---|
| Mar 31, 1986 | EXRG | EXPIRED SEC. 9 | — |