USPTO serial 72024708
Reviewed by CopyMark Law Group
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 | HYDROMETERS, DENSITOMETERS, VISCOMETERS, BALANCES, FILTER TESTERS, SAND CONTENT TESTERS, PH TESTERS, ALKALIMETERS, ION TESTERS, PRESSURE TESTERS, MUD TESTERS, TITRATION APPARATUS, AND LIKE TESTING EQUIPMENT ESPECIALLY ADAPTED FOR TESTING OIL WELL DRILLING MUD, OIL WELL CORES, OIL WELL CUTTINGS, CLAY AND MINERAL SUSPENSIONS AND COMPOSITIONS, AND THE LIKE | EXPIRED | May 1, 1938 |
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 24, 1998 | EXRG | EXPIRED SEC. 9 | — |
| Feb 18, 1978 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |