USPTO serial 72283432
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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 |
|---|---|---|---|
| 044 | DEVICES FOR SUPPLYING, OR FOR FACILITATING THE SUPPLYING, OF AIR OR OTHER GASES TO HUMAN BEINGS OR OTHER AIR BREATHING MAMMALS-NAMELY, RESUSCITATORS, IRON LUNGS, INHALATORS, AND GASEOUS ANESTHESIA ADMINISTERING DEVICES | 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 3, 1992 | EXRG | EXPIRED SEC. 9 | — |