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The US trademark SPHEROGEL was filed as Word mark on 05/27/1982 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 04/12/1983.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 73366889 |
| Register number | 1234442 |
| Application date | May 27, 1982 |
| Publication date | January 18, 1983 |
| Entry date | April 12, 1983 |
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Liquid Chromatography Columns
ID: 1373366889