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The US trademark Q.E.D. was filed as Word mark on 10/11/1957 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 11/04/1958.
The current status of the mark is "EXPIRED".
Trademark form | Word mark |
File reference | 72038780 |
Register number | 669401 |
Application date | October 11, 1957 |
Entry date | November 4, 1958 |
ID: 1372038780