PI Logo (USPTO, 02/10/1989)
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The US trademark PI was filed as Word and figurative mark on 02/10/1989 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 11/07/1989.
The current status of the mark is "CANCELLED - SECTION 8".
Trademark form | Word and figurative mark |
File reference | 73780820 |
Register number | 1565024 |
Application date | February 10, 1989 |
Publication date | August 15, 1989 |
Entry date | November 7, 1989 |
ID: 1373780820