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The US trademark DUO-SONIC was filed as Word mark on 07/20/1973 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 02/11/1975.
The current status of the mark is "EXPIRED".
| Trademark form | Word mark |
| File reference | 72463538 |
| Register number | 1004455 |
| Application date | July 20, 1973 |
| Entry date | February 11, 1975 |
Trademark owner
6564 E. MICH.-9
48176 SALINE
US
48176 SALINE
US
goods and services
9
ELECTRONIC SIRENS
ID: 1372463538