DUO-FLEX Logo (USPTO, 01/11/1946)
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The US trademark DUO-FLEX was filed as Figurative mark on 01/11/1946 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 02/25/1947.
The current status of the mark is "EXPIRED".
| Trademark form | Figurative mark |
| File reference | 71494880 |
| Register number | 427833 |
| Application date | January 11, 1946 |
| Entry date | February 25, 1947 |
Trademark owner
ST. LOUIS, MO. REPUBLISHED BY H.K. PORTE R COMPANY, INC.,/PITTSBURGH, PA.
goods and services
19
MORTAR
ID: 1371494880