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The US trademark DUPLEX was filed as Word mark on 03/20/1963 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 11/05/1963.
The current status of the mark is "REGISTERED AND RENEWED".
Trademark form | Word mark |
File reference | 759558 |
Register number | 72165047 |
Application date | March 20, 1963 |
Entry date | November 5, 1963 |
Expiration date | November 5, 2023 |
ID: 13