PSI Logo (USPTO, 07/19/1971)
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The US trademark PSI was filed as Figurative mark on 07/19/1971 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 08/01/1972.
The current status of the mark is "EXPIRED".
Trademark form | Figurative mark |
File reference | 72397644 |
Register number | 940148 |
Application date | July 19, 1971 |
Entry date | August 1, 1972 |
ID: 1372397644