SIGMA Logo (USPTO, 03/08/1989)
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The US trademark SIGMA was filed as Word and figurative mark on 03/08/1989 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 05/08/1990.
The current status of the mark is "CANCELLED - SECTION 8".
Trademark form | Word and figurative mark |
File reference | 73788080 |
Register number | 1594807 |
Application date | March 8, 1989 |
Publication date | October 10, 1989 |
Entry date | May 8, 1990 |
ID: 1373788080