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The US trademark DU-BORE was filed as Word mark on 02/20/1950 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 11/07/1950.
The current status of the mark is "EXPIRED".
| Trademark form | Word mark |
| File reference | 71592760 |
| Register number | 533218 |
| Application date | February 20, 1950 |
| Entry date | November 7, 1950 |
Trademark owner
1107 NORTH FAIR OAKS AVENUE
PASADENA
US
PASADENA
US
goods and services
7
POWER-DRIVEN COUNTERBORES
ID: 1371592760