USPTO serial 72394703
Reviewed by CopyMark Law Group
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 | PRESSURE SENSING APPARATUS FOR LEAK DETECTION IN PRESSURIZED GAS AND LIQUID SYSTEMS | EXPIRED | Apr 16, 1971 |
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 |
|---|---|---|---|
| Mar 29, 1993 | EXRG | EXPIRED SEC. 9 | — |
| Mar 6, 1978 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |