USPTO serial 72228268
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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 |
|---|---|---|---|
| 021 | ELECTRONIC, RADIO AND NAVIGATIONAL EQUIPMENT-NAMELY, RADIO TRANSMITTERS, RADIO RECEIVERS, RADIO TRANSCEIVERS, UNICOM TRANSCEIVERS, VHF RECEIVERS, VOR RECEIVERS, ADF RECEIVERS, GLIDE SLOPE RECEIVERS, MARKER BEACON RECEIVERS AND INDICATORS, OMNI CONVERTERS AND INDICATORS, LOCALIZER AND LOCALIZER-GLIDE SLOPE CONVERTERS AND INDICATORS, VHF, BROAD BAND, NAV, MARKER BEACON, GLIDE SLOPE AND ADF SENSE ANTENNAS, ELECTRONIC COUPLERS, ELECTRICAL SWITCHING APPARATUS AND TONE FILTERS | EXPIRED | Sep 25, 1947 |
| 026 | LEFT-RIGHT INDICATORS, AMBIGUITY INDICATORS, OMNI-RANGE MEASURING AND TESTING EQUIPMENT, DISTANCE MEASURING AND TESTING EQUIPMENT (DME), GROUND SPEED INDICATORS (GSI), AUTOMATIC DIRECTION FINDERS (ADF) AND TRANSPONDER TESTING AND MEASURING EQUIPMENT | ACTIVE | — |
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 |
|---|---|---|---|
| Aug 23, 1987 | EXRG | EXPIRED SEC. 9 | — |