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The US trademark SONOSPHERE was filed as Word mark on 11/28/1973 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 09/21/1976.
The current status of the mark is "EXPIRED".
Trademark form | Word mark |
File reference | 73007433 |
Register number | 1048434 |
Application date | November 28, 1973 |
Entry date | September 21, 1976 |
ID: 1373007433