DUOTROL Logo (USPTO, 11/23/1962)
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The US trademark DUOTROL was filed as Figurative mark on 11/23/1962 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 09/15/1964.
The current status of the mark is "EXPIRED".
| Trademark form | Figurative mark |
| File reference | 72157762 |
| Register number | 776906 |
| Application date | November 23, 1962 |
| Entry date | September 15, 1964 |
Trademark owner
LEGAL/IP DEPARTMENT
01851 LOWELL
US
01851 LOWELL
US
goods and services
9
AUTOMATIC ELECTRIC HYDROPNEUMATIC PUMP CONTROL FOR PRESSURE TANKS
ID: 1372157762