USPTO serial 72364477
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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 |
|---|---|---|---|
| 023 | WATER TREATMENT EQUIPMENT COMPRISING PUMPS, CONDUITS AND ELECTRICAL CONTROLS FOR INJECTING CHEMICALS INTO THE RECIRCULATING WATER AND PERIODICALLY BLEEDING THE RECIRCULATING WATER OF AIR CONDITIONING SYSTEMS | EXPIRED | Mar 16, 1970 |
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 28, 1992 | EXRG | EXPIRED SEC. 9 | — |
| Sep 12, 1977 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |