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The US trademark DUALINE was filed as Word mark on 04/30/1956 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 11/27/1956.
The current status of the mark is "EXPIRED".
Trademark form | Word mark |
File reference | 72007301 |
Register number | 637601 |
Application date | April 30, 1956 |
Entry date | November 27, 1956 |
ID: 1372007301