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The US trademark CIRCLE OF SOUND was filed as Word mark on 09/02/1975 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 03/02/1976.
The current status of the mark is "EXPIRED".
| Trademark form | Word mark |
| File reference | 73061905 |
| Register number | 1034718 |
| Application date | September 2, 1975 |
| Entry date | March 2, 1976 |
Trademark owner
1900 N. AUSTIN AVE.
60639 CHICAGO
US
60639 CHICAGO
US
goods and services
9
RADIO RECEIVERS
ID: 1373061905