USPTO serial 72305359
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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 |
|---|---|---|---|
| 026 | ELECTRICAL AND ELECTRONIC MEASURING AND CONTROL INSTRUMENTS AND SYSTEMS FOR USE WITH CIRCULATING WATER SYSTEMS AND PROCESS STREAMS-NAMELY, PH PROBES, METERS AND CONTROLLERS; CORROSIVITY METERS, RECORDERS AND CONTROLLERS; COLORIMENTERS AND COLORIMETRIC RECORDERS; AND SYSTEMS INCLUDING VARIOUS COMBINATIONS OF THE FOREGOING INSTRUMENTS AND SYSTEMS | EXPIRED | Apr 7, 1966 |
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 |
|---|---|---|---|
| Nov 4, 1992 | EXRG | EXPIRED SEC. 9 | — |
| Feb 26, 1977 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |