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The US trademark R-4-X was filed as Word mark on 05/25/1951 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 04/29/1952.
The current status of the mark is "EXPIRED".
Trademark form | Word mark |
File reference | 71614476 |
Register number | 558339 |
Application date | May 25, 1951 |
Entry date | April 29, 1952 |
ID: 1371614476