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The US trademark HELIX was filed as Word mark on 08/25/1978 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 07/07/1981.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 1159851 |
| Register number | 73183524 |
| Application date | August 25, 1978 |
| Entry date | July 7, 1981 |
| Expiration date | July 7, 2021 |
Trademark owner
15 Elizabeth Drive
01824 Chelmsford
US
01824 Chelmsford
US
Trademark representatives
530 Virginia Road, P.o. Box 9133
01742-9133 Concord
US
goods and services
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Environmental Control Apparatus
ID: 13