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The US trademark HYDROPHEN was filed as Word mark on 05/12/1948 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 12/13/1949.
The current status of the mark is "EXPIRED".
Trademark form | Word mark |
File reference | 71556915 |
Register number | 518740 |
Application date | May 12, 1948 |
Entry date | December 13, 1949 |
ID: 1371556915