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The US trademark THRU FLAPPER SELF EQUALIZING was filed as Word mark on 03/15/1993 at the U.S. Patent and Trademark Office. The current status of the mark is "ABANDONED-FAILURE TO RESPOND OR LATE RESPONSE".
| Trademark form | Word mark |
| File reference | 74368192 |
| Application date | March 15, 1993 |
Trademark owner
P.O. Box 4740
772104740 Houston
US
772104740 Houston
US
Trademark representatives
goods and services
7
downhole oilfield equipment; namely, downhole safety valves
ID: 1374368192