DUO-THERM Logo (USPTO, 08/08/1974)
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The US trademark DUO-THERM was filed as Figurative mark on 08/08/1974 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 07/01/1975.
The current status of the mark is "EXPIRED".
| Trademark form | Figurative mark |
| File reference | 73028976 |
| Register number | 1014638 |
| Application date | August 8, 1974 |
| Entry date | July 1, 1975 |
Trademark owner
1600 N. LARCH ST.
48914 LANSING
US
48914 LANSING
US
goods and services
11
GAS BURNING FURNACES
ID: 1373028976