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The US trademark CARBORUNDUM was filed as Word mark on 05/10/1927 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 11/29/1927.
The current status of the mark is "EXPIRED".
Trademark form | Word mark |
File reference | 71248753 |
Register number | 235950 |
Application date | May 10, 1927 |
Publication date | August 30, 1927 |
Entry date | November 29, 1927 |
ID: 1371248753