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The US trademark COVASPHERES was filed as Word mark on 04/08/1980 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 12/15/1981.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 73257330 |
| Register number | 1181728 |
| Application date | April 8, 1980 |
| Publication date | September 22, 1981 |
| Entry date | December 15, 1981 |
Trademark owner
P.O. Box 2366
94064 Redwood City
US
94064 Redwood City
US
Trademark representatives
goods and services
1
Chemical Reagents for In Vitro Diagnostic Use
ID: 1373257330