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The US trademark SILPHOS was filed as Word mark on 02/04/1991 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 10/26/1993.
The current status of the mark is "CANCELLED - SECTION 8".
Trademark form | Word mark |
File reference | 74135712 |
Register number | 1800345 |
Application date | February 4, 1991 |
Publication date | May 5, 1992 |
Entry date | October 26, 1993 |
ID: 1374135712