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The US trademark GRITROL was filed as Word mark on 01/18/1961 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 01/09/1962.
The current status of the mark is "EXPIRED".
| Trademark form | Word mark |
| File reference | 72112019 |
| Register number | 726251 |
| Application date | January 18, 1961 |
| Entry date | January 9, 1962 |
Trademark owner
4201 W. PETERSON AVE.
CHICAGO
US
CHICAGO
US
goods and services
11
SINTERED METAL FILTER
ID: 1372112019