USPTO serial 72373921
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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 |
|---|---|---|---|
| 034 | INSTALLATIONS FOR THE CONTINUOUS RECOVERY OF SOLVENTS FROM VENTED AIR BY ACTIVE CARBON, SUCH INSTALLATIONS COMPRISING CONTAINERS FOR RECEIVING ACTIVE CARBON (ADSORBERS), DEVICES FOR THE CONDENSATION AND SEPARATION OF VAPORS, ACCESSORY ARMATURES FOR SWITCHING, HEATING AND COOLING, AS WELL AS ACCESSORY OUTFLOW AND INLET CONDUITS | 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 |
|---|---|---|---|
| May 24, 1993 | EXRG | EXPIRED SEC. 9 | — |