USPTO serial 71513017
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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 | ELECTRICAL MEASURING INSTRUMENTS, SPECIFICALLY APPARATUS FOR DETERMINING THE VOLTAGE AT WHICH ELECTRICAL INSULATION BREAKS DOWN, INSTRUMENTS FOR MEASURING THE RESISTANCE OF ELECTRICAL GROUNDING CONNECTION TO THE EARTH, INSTRUMENTS FOR MEASURING THE ELECTRICAL RESISTANCE OF ELECTRICAL INSULATION, TACHOMETERS, AND PARTS SOLD FOR SUCH MEASURING INSTRUMENTS INCLUDING VOLTMETERS, AMMETERS, GALVANOMETERS, VIBRATORS, SWITCHES, POTENTIOMETERS, AND CURRENT TRANSFORMERS | EXPIRED | Nov 15, 1937 |
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 3, 1992 | EXRG | EXPIRED SEC. 9 | — |
| Apr 6, 1968 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |