USPTO serial 72143630
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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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LOS ANGELES, CA
| Class | Description | Status | First use |
|---|---|---|---|
| 006 | STABILIZED HUMAN WHOLE BLOOD USED IN THE STANDARDIZATION OF HEMOGLOBIN ANALYSES BY MEDICAL LABORATORIES | EXPIRED | Feb 13, 1958 |
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 13, 1983 | EXRG | EXPIRED SEC. 9 | — |