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The US trademark VISORPHONE was filed as Word mark on 07/25/1988 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 03/21/1989.
The current status of the mark is "CANCELLED - SECTION 8".
Trademark form | Word mark |
File reference | 73742113 |
Register number | 1530664 |
Application date | July 25, 1988 |
Publication date | December 27, 1988 |
Entry date | March 21, 1989 |
ID: 1373742113