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The US trademark LINGUAPHONE was filed as Word mark on 04/05/1968 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 10/07/1969.
The current status of the mark is "EXPIRED".
Trademark form | Word mark |
File reference | 72295039 |
Register number | 878228 |
Application date | April 5, 1968 |
Entry date | October 7, 1969 |
ID: 1372295039