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The US trademark SIGMA-SCREENS was filed as Word mark on 03/17/1981 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 03/15/1983.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 73301589 |
| Register number | 1230716 |
| Application date | March 17, 1981 |
| Publication date | December 21, 1982 |
| Entry date | March 15, 1983 |
Trademark owner
3500 DeKalb St.
63118 St. Louis
US
63118 St. Louis
US
Trademark representatives
goods and services
1
Chemicals and Biochemicals-Namely, Assay Reagents for Clinical Laboratory Use
ID: 1373301589