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The US trademark DEF was filed as Word mark on 01/28/1957 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 03/25/1958.
The current status of the mark is "REGISTERED AND RENEWED".
Trademark form | Word mark |
File reference | 659682 |
Register number | 72023288 |
Application date | January 28, 1957 |
Entry date | March 25, 1958 |
Expiration date | March 25, 2028 |
ID: 13