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The US trademark HELICON was filed as Word mark on 02/21/1957 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 12/03/1957.
The current status of the mark is "EXPIRED".
| Trademark form | Word mark |
| File reference | 72024849 |
| Register number | 655205 |
| Application date | February 21, 1957 |
| Entry date | December 3, 1957 |
Trademark owner
CHICAGO ILL.
goods and services
7
WORM GEARS AND WORMS
ID: 1372024849