PI Logo (USPTO, 11/15/1971)
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The US trademark PI was filed as Figurative mark on 11/15/1971 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 10/30/1973.
The current status of the mark is "EXPIRED".
| Trademark form | Figurative mark |
| File reference | 72407733 |
| Register number | 972002 |
| Application date | November 15, 1971 |
| Entry date | October 30, 1973 |
Trademark owner
07072 CARLSTADT
US
goods and services
21
SMALL PARTICLES OF GLASS AND PLASTIC FORMED BY HEATING PROCESSES
ID: 1372407733