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The US trademark GYRO-LOG was filed as Word mark on 05/30/1972 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 10/29/1974.
The current status of the mark is "EXPIRED".
| Trademark form | Word mark |
| File reference | 72425845 |
| Register number | 997009 |
| Application date | May 30, 1972 |
| Entry date | October 29, 1974 |
Trademark owner
55 YONGE ST.
TORONTO, ONTARIO
CA
TORONTO, ONTARIO
CA
goods and services
9
BORE HOLE SURVEY INSTRUMENTS
ID: 1372425845