DUOSTONE Logo (USPTO, 10/02/1986)
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The US trademark DUOSTONE was filed as Word and figurative mark on 10/02/1986 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 04/28/1987.
The current status of the mark is "EXPIRED".
| Trademark form | Word and figurative mark |
| File reference | 73623661 |
| Register number | 1438022 |
| Application date | October 2, 1986 |
| Publication date | February 3, 1987 |
| Entry date | April 28, 1987 |
Trademark owner
WRIGHT WAY
07436 OAKLAND
US
07436 OAKLAND
US
Trademark representatives
goods and services
16
AQUARIUM AIR STONE
ID: 1373623661