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The US trademark RHEOGRAPH was filed as Word mark on 03/30/1964 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 06/01/1965.
The current status of the mark is "EXPIRED".
Trademark form | Word mark |
File reference | 72189899 |
Register number | 790346 |
Application date | March 30, 1964 |
Entry date | June 1, 1965 |
ID: 1372189899