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The US trademark ZONVALVE was filed as Word mark on 12/02/1957 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 09/30/1958.
The current status of the mark is "EXPIRED".
Trademark form | Word mark |
File reference | 72041634 |
Register number | 667743 |
Application date | December 2, 1957 |
Entry date | September 30, 1958 |
ID: 1372041634