USPTO serial 73077921
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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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EAST RUTHERFORD, NJ
| Class | Description | Status | First use |
|---|---|---|---|
| 001 | SPECIAL SODIUM SULFOXYLATE FORMALDEHYDE COMPOUNDS FOR THE BLEACHING AND BRIGHTENING OF PULP IN THE THERMAL MECHANICAL PULPING OPERATION IN THE PREPARATION OF PAPER PRODUCTS | EXPIRED | Jun 25, 1975 |
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 |
|---|---|---|---|
| Jul 8, 1997 | EXRG | EXPIRED SEC. 9 | — |