USPTO serial 72176803
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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 |
|---|---|---|---|
| 006 | POLYVINYL ALCOHOL MADE LIGHT SENSITIVE BY THE ADDITION OF AMMONIUM DICHROMATE SOLUTION, WHICH IS APPLIED TO A SHEET OF PHOTOENGRAVING METAL AS A LIQUID AND IS DRIED | EXPIRED | Aug 4, 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 |
|---|---|---|---|
| Sep 30, 1984 | EXRG | EXPIRED SEC. 9 | — |