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The US trademark DUO-CHEK was filed as Word mark on 05/18/1971 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 02/01/1972.
The current status of the mark is "REGISTERED AND RENEWED".
| Trademark form | Word mark |
| File reference | 928279 |
| Register number | 72392377 |
| Application date | May 18, 1971 |
| Entry date | February 1, 1972 |
| Expiration date | February 1, 2032 |
Trademark owner
3362 Walden AvenueSuite 100
14043 Depew
US
14043 Depew
US
Trademark representatives
140 Pearl Street, Suite 100
14202-4040 Buffalo
US
goods and services
9
Electrical and Scientific Apparatus
ID: 13