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The US trademark PSI was filed as Word mark on 04/01/1969 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 04/28/1970.
The current status of the mark is "EXPIRED".
| Trademark form | Word mark |
| File reference | 72323268 |
| Register number | 890049 |
| Application date | April 1, 1969 |
| Entry date | April 28, 1970 |
Trademark owner
3816 DAHLIA ST.
80207 DENVER
US
80207 DENVER
US
goods and services
7
APPARATUS FOR RAISING SUBMERGED VESSELS-NAMELY, BUOYANT SPHERES AND VALVED PRESSURE VESSELS IN WHICH THE SPHERES ARE INJECTED WITH PRESSURIZED AIR
ID: 1372323268