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The US trademark QSI was filed as Word mark on 12/21/1990 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 08/27/1991.
The current status of the mark is "REGISTERED AND RENEWED".
Trademark form | Word mark |
File reference | 1654762 |
Register number | 74125454 |
Application date | December 21, 1990 |
Entry date | August 27, 1991 |
Expiration date | August 27, 2031 |
ID: 13