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The US trademark HELIXCHANGER was filed as Word mark on 07/06/2001 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 06/11/2002.
The current status of the mark is "REGISTERED AND RENEWED".
| Trademark form | Word mark |
| File reference | 2578313 |
| Register number | 76281074 |
| Application date | July 6, 2001 |
| Entry date | June 11, 2002 |
| Expiration date | June 11, 2032 |
Trademark owner
Suite 6005825 North Sam Houston Parkway West
77086 Houston
US
77086 Houston
US
Trademark representatives
P.o. Box 1022
55440-1022 Minneapolis
US
goods and services
11
Environmental Control Apparatus
ID: 13