KEYSTONE Logo (USPTO, 12/11/1974)
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The US trademark KEYSTONE was filed as Word and figurative mark on 12/11/1974 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 12/30/1975.
The current status of the mark is "EXPIRED".
Trademark form | Word and figurative mark |
File reference | 73039325 |
Register number | 1028885 |
Application date | December 11, 1974 |
Entry date | December 30, 1975 |
ID: 1373039325