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The US trademark QLF was filed as Word mark on 07/02/1980 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 10/06/1981.
The current status of the mark is "REGISTERED AND RENEWED".
Trademark form | Word mark |
File reference | 1172509 |
Register number | 73268699 |
Application date | July 2, 1980 |
Entry date | October 6, 1981 |
Expiration date | October 6, 2031 |
ID: 13