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The US trademark PERMAFILTER was filed as Word mark on 10/08/1965 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 09/06/1966.
The current status of the mark is "EXPIRED".
Trademark form | Word mark |
File reference | 72229632 |
Register number | 814478 |
Application date | October 8, 1965 |
Entry date | September 6, 1966 |
ID: 1372229632