SIGMA Logo (USPTO, 12/28/1973)
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The US trademark SIGMA was filed as Word and figurative mark on 12/28/1973 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 11/19/1974.
The current status of the mark is "REGISTERED AND RENEWED".
#USPTO: 28.01.05 - Omega (Greek letter), Greek characters, Russian characters (Cyrillic), Inscriptions in Greek and Cyrillic characters, Cyrillic characters (Russian), Alpha (Greek letter)
Trademark form | Word and figurative mark |
File reference | 998427 |
Register number | 73009844 |
Application date | December 28, 1973 |
Entry date | November 19, 1974 |
Expiration date | November 19, 2024 |
ID: 13