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The US trademark REX-121 was filed as Word mark on 03/22/1966 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 12/13/1966.
The current status of the mark is "EXPIRED".
| Trademark form | Word mark |
| File reference | 72241583 |
| Register number | 820172 |
| Application date | March 22, 1966 |
| Entry date | December 13, 1966 |
Trademark owner
120 S. LA SALLE ST. CHICAGO, ILL.
goods and services
1
CHEMICAL CATALYST FOR SULFURIC ACID ALKYLATION
ID: 1372241583