USPTO serial 71638539
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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 |
|---|---|---|---|
| 052 | PREPARATION FOR REMOVING CARBON, SOOT, AND SCALE FROM FURNACES, STOVES, AND CHIMNEYS BY SPRINKLING THE PREPARATION DIRECTLY ON THE HOT COALS OR IN THE FIRE BOX OF OIL BURNERS, A CHEMICAL ACTION TAKING PLACE | EXPIRED | Jul 1, 1952 |
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 |
|---|---|---|---|
| Apr 24, 1995 | EXRG | EXPIRED SEC. 9 | — |
| Jul 20, 1974 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |