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The US trademark POLYBRINE was filed as Word mark on 05/25/1971 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 07/11/1972.
The current status of the mark is "EXPIRED".
| Trademark form | Word mark |
| File reference | 72393048 |
| Register number | 937371 |
| Application date | May 25, 1971 |
| Entry date | July 11, 1972 |
Trademark owner
P.O. BOX 42842
77242 HOUSTON
US
77242 HOUSTON
US
Trademark representatives
goods and services
1
DRILLING MUD ADDITIVE FOR VISCOSITY AND FLUID LOSS CONTROL
ID: 1372393048