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The US trademark KEYSTONE was filed as Word mark on 12/13/1983 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 01/29/1985.
The current status of the mark is "CANCELLED - SECTION 8".
Trademark form | Word mark |
File reference | 73456890 |
Register number | 1317198 |
Application date | December 13, 1983 |
Publication date | November 20, 1984 |
Entry date | January 29, 1985 |
ID: 1373456890