S.O Logo (USPTO, 05/21/1945)
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The US trademark S.O was filed as Word and figurative mark on 05/21/1945 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 10/28/1947.
The current status of the mark is "EXPIRED".
| Trademark form | Word and figurative mark |
| File reference | 71483636 |
| Register number | 433673 |
| Application date | May 21, 1945 |
| Entry date | October 28, 1947 |
Trademark owner
CHICAGO, ILL.
goods and services
4
OILS AND GREASES FOR LUBRICATING PURPOSES
ID: 1371483636