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The US trademark PHENAPHEN was filed as Word mark on 10/22/1937 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 04/05/1938.
The current status of the mark is "EXPIRED".
Trademark form | Word mark |
File reference | 71398824 |
Register number | 355898 |
Application date | October 22, 1937 |
Entry date | April 5, 1938 |
ID: 1371398824