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The US trademark DUOTHERM was filed as Word mark on 08/24/1979 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 08/11/1981.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 73228877 |
| Register number | 1164360 |
| Application date | August 24, 1979 |
| Publication date | May 19, 1981 |
| Entry date | August 11, 1981 |
Trademark owner
26-46 PRAGSTRASSE
D-70376 STUTTGART
DE
D-70376 STUTTGART
DE
Trademark representatives
goods and services
7
PISTONS AND PISTON RINGS FOR INTERNAL COMBUSTION ENGINES
ID: 1373228877