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The US trademark "LOCK MASTER" was filed as Word mark on 05/18/1948 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 12/06/1949.
The current status of the mark is "EXPIRED".
| Trademark form | Word mark |
| File reference | 518455 |
| Register number | 71557300 |
| Application date | May 18, 1948 |
| Entry date | December 6, 1949 |
| Expiration date | December 6, 1979 |
Trademark owner
Holyoke
US
goods and services
16
Paper Goods and Printed Matter
ID: 13