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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 |
Trademark owner
200 PUBLIC SQUARE
44114 CLEVELAND
US
44114 CLEVELAND
US
Trademark representatives
goods and services
9
CERTAIN ELECTRICAL DEVICES COMPRISING DETECTORS FOR RADIO APPARATUS, RESISTANCE RODS, LIGHTNING ARRESTORS, RESISTORS, AND RESISTOR UNITS
ID: 1371248753