SK Logo (USPTO, 05/27/1965)
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The US trademark SK was filed as Word and figurative mark on 05/27/1965 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 10/04/1966.
The current status of the mark is "EXPIRED".
| Trademark form | Word and figurative mark |
| File reference | 72219841 |
| Register number | 816016 |
| Application date | May 27, 1965 |
| Entry date | October 4, 1966 |
Trademark owner
goods and services
1
WATER CONDITIONING COMPOSITIONS-NAMELY, WATER SOLUBLE CRYSTALLINE CONCENTRATES FOR SEQUESTERING MINERALS IN WATER TO PREVENT OR REMOVE ACCUMULATIONS SUCH AS RUST, CORROSION, SCALE AND SILICA DEPOSITS.
21
FEEDERS AND DESPENSERS OF THE BYPASS, POT, TYPE, FOR INTRODUCING WATER TREATMENT COMPOSITIONS INTO WATER LINES.
ID: 1372219841