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The US trademark MICROPHEN was filed as Word mark on 08/03/1956 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 06/11/1957.
The current status of the mark is "EXPIRED".
Trademark form | Word mark |
File reference | 72013370 |
Register number | 646700 |
Application date | August 3, 1956 |
Entry date | June 11, 1957 |
ID: 1372013370