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The US trademark ZE-RE-NU was filed as Word mark on 05/25/1990 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 05/21/1991.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 74062576 |
| Register number | 1644870 |
| Application date | May 25, 1990 |
| Publication date | February 26, 1991 |
| Entry date | May 21, 1991 |
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goods and services
1
chemical compound for treatment of ion-exchange materials used in water softening
ID: 1374062576