USPTO serial 72158364
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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 DEVICES-NAMELY, TRANSMISSION TEST INSTRUMENTS, PULSE SIGNALING TEST SETS, SIGNAL GENERATORS, REFERENCE TONE SOURCES, AUTOMATIC TELEPHONE CENTRAL OFFICE EQUIPMENT TESTING DEVICES, AND SPECIAL NETWORKS, AS WELL AS SUPERVISORY CONTROL AND DATA TRANSMISSION SYSTEMS | EXPIRED | Apr 7, 1955 |
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 |
|---|---|---|---|
| Oct 6, 1985 | EXRG | EXPIRED SEC. 9 | — |