DUOPHON Logo (USPTO, 07/02/2005)
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The US trademark DUOPHON was filed as Figurative mark on 07/02/2005 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 12/26/2006.
The current status of the mark is "IR CANCELLED; US REGISTRATION CANCELLED".
| Trademark form | Figurative mark |
| File reference | 79017548 |
| Register number | 3189632 |
| Application date | July 2, 2005 |
| Publication date | October 10, 2006 |
| Entry date | December 26, 2006 |
Trademark owner
33334 Gütersloh
goods and services
9
Electrical, electronic and electromagnetic detection apparatus for measuring the physical characteristics of fluids in tubes, pipes, cables and metals, namely, the detection of leaks, the measurement of noise, flow rates, temperatures, gas concentration, and other fluid parameters; and parts thereof
ID: 1379017548