DUO-FLOW Logo (USPTO, 09/13/1967)
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The US trademark DUO-FLOW was filed as Figurative mark on 09/13/1967 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 04/02/1968.
The current status of the mark is "EXPIRED".
| Trademark form | Figurative mark |
| File reference | 72280223 |
| Register number | 847166 |
| Application date | September 13, 1967 |
| Entry date | April 2, 1968 |
Trademark owner
12601 TWINBROOK PARKWAY
20852 ROCKVILLE
US
20852 ROCKVILLE
US
goods and services
3
STERILE, GERMICIDAL CLEANING AND STORAGE SOLUTION FOR CONTACT LENSES
ID: 1372280223