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The US trademark DUOTHERM was filed as Word mark on 01/21/1986 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 11/15/1988.
The current status of the mark is "CANCELLED - SECTION 8".
Trademark form | Word mark |
File reference | 73578350 |
Register number | 1512725 |
Application date | January 21, 1986 |
Publication date | December 9, 1986 |
Entry date | November 15, 1988 |
ID: 1373578350