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The US trademark DART was filed as Word mark on 12/22/1969 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 03/28/1972.
The current status of the mark is "EXPIRED".
| Trademark form | Word mark |
| File reference | 72346965 |
| Register number | 931489 |
| Application date | December 22, 1969 |
| Entry date | March 28, 1972 |
Trademark owner
5000 GULF FREEWAY
77023 HOUSTON
US
77023 HOUSTON
US
goods and services
42
WELL LOGGING SERVICES-NAMELY, DIGITAL AUTOMATIC RECORDING AND TRANSMISSION OF LOGS
ID: 1372346965