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The US trademark SONOAIRDUCT was filed as Word mark on 10/31/1950 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 08/28/1951.
The current status of the mark is "EXPIRED".
| Trademark form | Word mark |
| File reference | 71605689 |
| Register number | 547298 |
| Application date | October 31, 1950 |
| Entry date | August 28, 1951 |
Trademark owner
HARTSVILLE
US
goods and services
11
PAPER CONDUITS ADAPTED FOR USE IN AIR HEATING SYSTEMS
ID: 1371605689