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The US trademark OPAL was filed as Word mark on 07/02/1997 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 06/19/2001.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 75318294 |
| Register number | 2461989 |
| Application date | July 2, 1997 |
| Publication date | May 5, 1998 |
| Entry date | June 19, 2001 |
Trademark owner
STE 1800
77056 HOUSTON
US
77056 HOUSTON
US
Trademark representatives
goods and services
42
engineering services in the nature of using polymeric membranes to separate hydrogen from mixed hydrocarbon gas in a petrochemical or petroleum refining process
ID: 1375318294