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The US trademark POWERSTONE was filed as Word mark on 08/13/1998 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 05/29/2001.
The current status of the mark is "REGISTERED AND RENEWED".
| Trademark form | Word mark |
| File reference | 2455831 |
| Register number | 75535186 |
| Application date | August 13, 1998 |
| Entry date | May 29, 2001 |
| Expiration date | May 29, 2031 |
Trademark owner
1201 Louisiana Street, Suite 450
77002 Houston
US
77002 Houston
US
Trademark representatives
1000 Louisiana Street, Suite 1700
77002 Houston
US
goods and services
1
Chemicals
ID: 13