OPCHEK Logo (USPTO, 04/25/1979)
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The US trademark OPCHEK was filed as Figurative mark on 04/25/1979 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 07/28/1981.
The current status of the mark is "CANCELLED - SECTION 8".
Trademark form | Figurative mark |
File reference | 73213004 |
Register number | 1162691 |
Application date | April 25, 1979 |
Publication date | May 5, 1981 |
Entry date | July 28, 1981 |
ID: 1373213004