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The US trademark ENTERPHONE was filed as Word mark on 10/02/1970 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 06/13/1972.
The current status of the mark is "EXPIRED".
Trademark form | Word mark |
File reference | 72372316 |
Register number | 935597 |
Application date | October 2, 1970 |
Entry date | June 13, 1972 |
ID: 1372372316