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The US trademark POLYPHONIA was filed as Word mark on 05/19/1934 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 09/11/1934.
The current status of the mark is "EXPIRED".
Trademark form | Word mark |
File reference | 71351569 |
Register number | 317061 |
Application date | May 19, 1934 |
Entry date | September 11, 1934 |
ID: 1371351569