USPTO serial 72192932
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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 |
|---|---|---|---|
| 026 | GALVANOMETERS, MICROVOLTMETERS, APPARATUS FOR THE REGISTRATION OF VERY WEAK CURRENTS AND TENSIONS, COLORIMETERS, PHOTOMETERS, DENSIMETERS, CASH REGISTERS, AND CALCULATING MACHINES | EXPIRED | Aug 12, 1959 |
| 044 | MEDICAL APPARATUS FOR MEASUREMENT OF THE METABOLIC RATE; APPARATUS FOR DIRECT OXYGEN SATURATION MEASUREMENT OF BLOOD DURING HEART CATHETERIZATION AND RECORDING OF DYE DILUTION CURVES; AND HEMOREFLECTOR FOR MEASURING THE PERCENTAGE OF OXYGEN SATURATION IN BLOOD | ACTIVE | Aug 12, 1959 |
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 28, 1987 | EXRG | EXPIRED SEC. 9 | — |