USPTO serial 71610447
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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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MINNEAPOLIS, MN
| Class | Description | Status | First use |
|---|---|---|---|
| 034 | INDIVIDUALLY CONTROLLED AIR CONDITIONING UNITS FOR FILTERING AND HEATING AIR IN WINTER, FILTERING, COOLING, AND DEHUMIDIFYING AIR IN SUMMER, AND SUPPLYING FRESH AIR AT ALL TIMES, OF BOTH CEILING AND FLOOR TYPES FOR ROOMS OF BUILDINGS EQUIPPED WITH CENTRAL PLANTS FOR SUPPLYING COOLING MEDIUMS AND HEATING MEDIUMS TO SUCH UNITS IN REMOTE ROOMS | EXPIRED | Nov 17, 1950 |
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 1, 1993 | EXRG | EXPIRED SEC. 9 | — |
| Jan 27, 1973 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |