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The US trademark DEFOAM-L was filed as Word mark on 08/27/1979 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 01/05/1982.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 73229172 |
| Register number | 1184316 |
| Application date | August 27, 1979 |
| Publication date | October 13, 1981 |
| Entry date | January 5, 1982 |
Trademark owner
HOUSTON
US
Trademark representatives
goods and services
1
Chemicals for Use in Oil and Gas Well Drilling-Namely, a Surfactant
ID: 1373229172