USPTO serial 73012838
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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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THIEF RIVER FALLS, MN
| Class | Description | Status | First use |
|---|---|---|---|
| 007 | MULTI-STAGE APPARATUS SOLD AS A UNIT FOR MOVING AIR (INCLUDING FANS), USING THE FLOWING AIR TO ASSIST IN SEPARATING DUST AND LIGHTER PARTICLES FROM HEAVIER GRANULAR MATERIAL (INCLUDING GRAVITY SEPARATORS, DESTONERS, ASPIRATORS), AND CLEANING THE DUST AND PARTICLES FROM THE FLOWING AIR AND SMOOTHING SUCH AIR FLOW FOR REUSE (INCLUDING CYCLONE SEPARATORS, PLENUMCHAMBERS, AND FILTERS), AND PARTS THEREFOR | EXPIRED | May 31, 1972 |
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 18, 1996 | EXRG | EXPIRED SEC. 9 | — |
| Nov 23, 1981 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |