USPTO serial 72129451
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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 |
|---|---|---|---|
| 021 | ELECTRO-MECHANICAL APPARATUS FOR IMPARTING THE EFFECTS OF REVERBERATION AND OTHER TONAL ENHANCEMENT TO ELECTRICAL OSCILLATIONS FOR MUSICAL PURPOSES | EXPIRED | Aug 12, 1961 |
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 |
|---|---|---|---|
| Dec 29, 1984 | EXRG | EXPIRED SEC. 9 | — |