LFE Logo (USPTO, 05/22/1961)
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The US trademark LFE was filed as Word and figurative mark on 05/22/1961 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 03/06/1962.
The current status of the mark is "EXPIRED".
| Trademark form | Word and figurative mark |
| File reference | 72120541 |
| Register number | 728229 |
| Application date | May 22, 1961 |
| Entry date | March 6, 1962 |
Trademark owner
1079 COMMONWEALTH AVE.
BOSTON 15
US
BOSTON 15
US
goods and services
9
ULTRASONIC DELAY LINES
ID: 1372120541