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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 |
Trademark owner
351-353 FOURTH AVENUE
NEW YORK
US
NEW YORK
US
goods and services
15
HARMONICAS
ID: 1371351569