USPTO serial 71326159
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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 | HOSPITAL AND SICK ROOM APPARATUS CONSISTING OF OXYGEN TENTS, OXYGEN CHAMBERS, AND RESPIRATORS FOR USE IN THE TREATMENT OF PNEUMONIA, CARDIAC FAILURE, ASTHMA, AND OTHER CARDIO-RESPIRATORY DISTURBANCES | EXPIRED | Mar 1, 1932 |
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 |
|---|---|---|---|
| Feb 25, 1986 | EXRG | EXPIRED SEC. 9 | — |