USPTO serial 72369210
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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 | ELECTRONIC TESTING DEVICES-NAMELY, TESTING AND INDICATING CIRCUITS FOR DISPLAYING VISUALLY THE EXISTENCE AND DIRECTION OF ELECTRICAL CURRENT FLOW IN MAGNETIC RECORDING CIRCUITS BY SELECTIVELY ENERGIZING ONE OF A PAIR OF LIGHTS FOR EACH RECORDING CIRCUIT, SAID CIRCUIT ESPECIALLY FOR USE IN BILLING TAPE RECORDERS | EXPIRED | Jul 21, 1970 |
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 |
|---|---|---|---|
| May 10, 1993 | EXRG | EXPIRED SEC. 9 | — |
| Nov 28, 1977 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |