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The US trademark DUO-SEAL was filed as Word mark on 03/08/1976 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 08/07/1979.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 73079498 |
| Register number | 1123587 |
| Application date | March 8, 1976 |
| Entry date | August 7, 1979 |
Trademark owner
9100 E. FLAIR DRIVE
91734 EL MONTE
US
91734 EL MONTE
US
goods and services
6
FLUID CONTROL VALVES
ID: 1373079498