USPTO serial 72191913
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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 |
|---|---|---|---|
| 006 | LIQUID REAGENT FOR LABORATORY USE AS A CONTROL SERUM IN BLOOD CHEMISTRY TESTING PROCEDURES | EXPIRED | Feb 18, 1964 |
CopyMark links this record to cited ยง2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
| Date | Code | Event | What it means |
|---|---|---|---|
| Dec 13, 1983 | C7.. | CANCELLED SECTION 7-TOTAL | โ |
| Dec 13, 1983 | C7.. | CANCELLED SECTION 7-TOTAL | โ |