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The US trademark DUBL LOK was filed as Word mark on 03/07/1956 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 11/20/1956.
The current status of the mark is "EXPIRED".
Trademark form | Word mark |
File reference | 72004070 |
Register number | 637482 |
Application date | March 7, 1956 |
Entry date | November 20, 1956 |
ID: 1372004070