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The US trademark CHEMICAL SUBSTRUCTURE INDEX was filed as Word mark on 04/26/1971 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 01/02/1973.
The current status of the mark is "EXPIRED".
Trademark form | Word mark |
File reference | 72390271 |
Register number | 949824 |
Application date | April 26, 1971 |
Entry date | January 2, 1973 |
ID: 1372390271