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The US trademark DUO-VIS was filed as Word mark on 03/26/1996 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 01/28/1997.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 75078771 |
| Register number | 2033986 |
| Application date | March 26, 1996 |
| Publication date | November 5, 1996 |
| Entry date | January 28, 1997 |
Trademark owner
5950 NORTH COURSE DR.
77072 HOUSTON
US
77072 HOUSTON
US
Trademark representatives
goods and services
1
petroleum industry chemicals, namely a chemical additive for drilling fluids for use in the oil and gas well drilling industry
ID: 1375078771