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The US trademark THE LEVER PRINCIPLE was filed as Word mark on 10/26/1976 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 12/06/1977.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 73104465 |
| Register number | 1078797 |
| Application date | October 26, 1976 |
| Entry date | December 6, 1977 |
Trademark owner
Demarest
US
goods and services
9
MONITOR PROMPTING DEVICE FOR USE WITH A TELEVISION CAMERA WHERE THE MONITOR IS MOUNTED IN FRONT OF AND BELOW THE LENS OF THE CAMERA, EMPLOYING A SINGLE BEAMSPLITTER
ID: 1373104465