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The US trademark DIAGONAL was filed as Word mark on 10/31/1977 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 01/09/1979.
The current status of the mark is "REGISTERED AND RENEWED".
| Trademark form | Word mark |
| File reference | 73146676 |
| Register number | 1111007 |
| Application date | October 31, 1977 |
| Entry date | January 9, 1979 |
ID: 1373146676