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The US trademark DIOPTIGEL was filed as Word mark on 10/28/1978 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 10/07/1980.
The current status of the mark is "CANCELLED - SECTION 8".
Trademark form | Word mark |
File reference | 1140160 |
Register number | 73184803 |
Application date | October 28, 1978 |
Entry date | October 7, 1980 |
Expiration date | October 7, 2020 |
ID: 13