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The US trademark FB.1 was filed as Word mark on 03/07/1980 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 05/11/1982.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 73253005 |
| Register number | 1194925 |
| Application date | March 7, 1980 |
| Publication date | February 16, 1982 |
| Entry date | May 11, 1982 |
Trademark owner
120 S. Central Ave.
63105 St. Louis
US
63105 St. Louis
US
Trademark representatives
goods and services
1
Drilling Fluid Additive Comprising a Silicone-Based Defoamer for Use in Drilling Fluids During Workover and Completion Operations for Oil and Gas Well Drilling
ID: 1373253005