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The US trademark TONEBARS was filed as Word mark on 07/20/1981 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 02/01/1983.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 73319728 |
| Register number | 1225921 |
| Application date | July 20, 1981 |
| Publication date | November 9, 1982 |
| Entry date | February 1, 1983 |
Trademark owner
39 S. LaSalle St.
60603 Chicago
US
60603 Chicago
US
Trademark representatives
goods and services
15
Linear Control Circuits as Part of a Keyboard Electronic Musical Instrument for Adjusting the Level of and Combining Various Harmonic Signals
ID: 1373319728