USPTO serial 72157804
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 |
|---|---|---|---|
| 021 | LIMIT SWITCHES, ELECTRICAL CIRCUITRY CONTROL PANELS, ADJUSTABLE ROTARY CAM SWITCHES, AND PLUGGING SWITCHES | EXPIRED | May 31, 1958 |
| 026 | SENSING CIRCUITRY-NAMELY, ELECTRONIC CONTROLS, TRANSISTORIZED CONTROLS, SATURABLE REACTOR CONTROLS, TAPE CONTROLS AND DRUM MEMORY CONTROLS | ACTIVE | May 31, 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 |
|---|---|---|---|
| Apr 21, 1984 | EXRG | EXPIRED SEC. 9 | — |