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The US trademark SIGMA DELTA CHI was filed as Word mark on 02/27/1990 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 04/16/1991.
The current status of the mark is "REGISTERED AND RENEWED".
| Trademark form | Word mark |
| File reference | 1641688 |
| Register number | 74033063 |
| Application date | February 27, 1990 |
| Entry date | April 16, 1991 |
| Expiration date | April 16, 2031 |
Trademark owner
3909 North Meridian Street
46208 Indianapolis
US
46208 Indianapolis
US
Trademark representatives
2929 Arch Street
19104 Philadelphia
US
goods and services
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