USPTO serial 72131853
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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 |
|---|---|---|---|
| 023 | LOADER TYPE CONVEYORS ADAPTED TO RECEIVE LARGE CHUNKS OF MATERIAL, SUCH AS COAL, AND PROVIDED WITH MEANS FOR SHATTERING THE LARGE CHUNKS INTO SMALLER PIECES AND DEPOSITING THE SMALLER PIECES UPON A CONVENTIONAL CONVEYOR | EXPIRED | Sep 29, 1961 |
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 10, 1987 | EXRG | EXPIRED SEC. 9 | — |