USPTO serial 72332339
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 |
|---|---|---|---|
| 034 | HEAT EXCHANGE UNITS AND PARTICULARLY SUCH UNITS FOR USE IN LABORATORIES AND INDUSTRIAL APPLICATIONS WHERE HEAT IS TRANSFERRED BETWEEN A STREAM OF LIQUID AND A STREAM OF AIR | EXPIRED | — |
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 | — |
| Mar 7, 1977 | 15AK | REGISTERED - SEC. 15 ACKNOWLEDGED | — |
| Feb 26, 1977 | 8.OK | REGISTERED - SEC. 8 (6-YR) ACCEPTED | The USPTO accepted your Section 8 declaration showing the mark is still in use in commerce (or excusable nonuse). This satisfies the six-year maintenance requirement and keeps the registration active until the next renewal deadline. |