BLUE KEY Logo (USPTO, 09/16/1947)
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The US trademark BLUE KEY was filed as Figurative mark on 09/16/1947 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 09/06/1949.
The current status of the mark is "EXPIRED".
Trademark form | Figurative mark |
File reference | 71534603 |
Register number | 514705 |
Application date | September 16, 1947 |
Entry date | September 6, 1949 |
ID: 1371534603