USPTO serial 72277050
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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 |
|---|---|---|---|
| 034 | POWER TYPE OIL AND GAS BURNERS FOR INSTALLATION IN OR AS AN INTEGRAL PART OF PACKAGED INDIRECT FIRED FURNACES, BOILERS AND WATER HEATERS, USED FOR HEATING RESIDENTIAL DWELLINGS AND OFFICE BUILDINGS AND FOR PRODUCING HOT WATER FOR DOMESTIC USE | EXPIRED | — |
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 3, 1992 | EXRG | EXPIRED SEC. 9 | — |