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The US trademark ZETA NOISE BLOCKER was filed as Word mark on 11/16/1987 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 07/26/1988.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 73695586 |
| Register number | 1497526 |
| Application date | November 16, 1987 |
| Publication date | May 3, 1988 |
| Entry date | July 26, 1988 |
Trademark owner
900 SKOKIE BOULEVARD
60062 NORTHBROOK
US
60062 NORTHBROOK
US
Trademark representatives
goods and services
9
COMPLIMENTARY METAL OXIDE SEMICONDUCTOR (CMOS) MICROPROCESSOR CHIP CONTAINING A SELF-ADAPTIVE FILTER THAT IDENTIFIES AND SUPPRESSES THE VOLUME OF BACKGROUND NOISE COMPARED TO THE VOLUME OF SPEECH
ID: 1373695586