USPTO serial 72264704
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 | SEMICONDUCTOR DEVICES | EXPIRED | Mar 3, 1966 |
| 026 | ELECTRICAL AND ELECTRONIC INSTRUMENTS, APPARATUS, COMPONENTS AND SYSTEMS, AND PARTS AND ACCESSORIES THEREFOR, FOR USE IN MEASURING FREQUENCY OF ELECTRICAL SIGNALS, VOLTAGE, AND PHYSICAL PROPERTIES OF POLYMERIC MATERIALS; COUNTING RANDOM EVENTS; ACQUIRING, PRODCESSING AND DELIVERING DATA FOR UTILIZATION; AND GENERATING ELECTRICAL SIGALS | EXPIRED | Jun 14, 1963 |
| 027 | ELECTRONIC APPARATUS FOR USE IN MEASURING TIME INTERVALS AND ELAPSED TIME | EXPIRED | Jul 29, 1965 |
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 | — |