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The US trademark SHOCK SUB was filed as Word mark on 06/07/1961 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 03/12/1963.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 72121549 |
| Register number | 746542 |
| Application date | June 7, 1961 |
| Entry date | March 12, 1963 |
Trademark owner
16740 HARDY STREET
77205 HOUSTON
US
77205 HOUSTON
US
Trademark representatives
goods and services
7
Tubular Devices Interposed in Rotary Drill Strings [-] , e.g., Between Drill Bit and Drill Collar, to Cushion Impact and Reduce Vibration
ID: 1372121549