KEYSTONE Logo (USPTO, 06/27/1947)
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The US trademark KEYSTONE was filed as Word and figurative mark on 06/27/1947 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 06/28/1949.
The current status of the mark is "EXPIRED".
Trademark form | Word and figurative mark |
File reference | 71524985 |
Register number | 443000 |
Application date | June 27, 1947 |
Entry date | June 28, 1949 |
ID: 1371524985