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The US trademark DUOCHART was filed as Word mark on 10/09/2006 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 04/01/2008.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 77016616 |
| Register number | 3406026 |
| Application date | October 9, 2006 |
| Publication date | May 15, 2007 |
| Entry date | April 1, 2008 |
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goods and services
16
Printed charts
ID: 1377016616