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The US trademark GREENSTONE was filed as Word mark on 03/01/1966 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 12/12/1967.
The current status of the mark is "EXPIRED".
Trademark form | Word mark |
File reference | 72239905 |
Register number | 840250 |
Application date | March 1, 1966 |
Entry date | December 12, 1967 |
ID: 1372239905