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The US trademark GDK was filed as Word mark on 03/31/1989 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 12/05/1989.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 73790204 |
| Register number | 1569576 |
| Application date | March 31, 1989 |
| Publication date | September 12, 1989 |
| Entry date | December 5, 1989 |
ID: 1373790204