USPTO serial 72201152
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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 |
|---|---|---|---|
| 006 | SODIUM CHLORIDE USED IN A WATER SOFTENING MACHINE TO WASH THE BED OF RESINS OR ZEOLITE AFTER A PERIOD OF USE; TO REGENERATE THE SAID RESINS IN ORDER THAT THE RESINS ARE EFFECTIVE IN SOFTENING THE HARD WATER PASSING THROUGH THE WATER SOFTENING MACHINE | EXPIRED | May 6, 1964 |
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 |
|---|---|---|---|
| Jan 18, 1989 | EXRG | EXPIRED SEC. 9 | — |