USPTO serial 72450963
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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 | ELECTRICAL ENERGY CONVERTERS-NAMELY, A D.C. TO D.C. CONVERTER FOR REMOTE OPERATION OF ELECTRICAL DEVICES FROM A BATTERY POWER SOURCE | EXPIRED | Dec 15, 1972 |
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 |
|---|---|---|---|
| Jun 12, 1995 | EXRG | EXPIRED SEC. 9 | — |
| Aug 4, 1980 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |