DUO-SEAL Logo (USPTO, 06/10/1954)
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The US trademark DUO-SEAL was filed as Figurative mark on 06/10/1954 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 11/08/1955.
The current status of the mark is "EXPIRED".
Trademark form | Figurative mark |
File reference | 71668023 |
Register number | 615807 |
Application date | June 10, 1954 |
Entry date | November 8, 1955 |
ID: 1371668023