L Logo (USPTO, 08/19/1988)
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The US trademark L was filed as Word and figurative mark on 08/19/1988 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 12/19/1989.
The current status of the mark is "REGISTERED AND RENEWED".
Logodesign (Wiener Klassifikation)
#Spheres
| Trademark form | Word and figurative mark |
| File reference | 1572537 |
| Register number | 73747136 |
| Application date | August 19, 1988 |
| Entry date | December 19, 1989 |
| Expiration date | December 19, 2029 |
Trademark owner
8770 W. Bryn Mawr
60631 Chicago
US
60631 Chicago
US
Trademark representatives
190 S. Lasalle Street
60603 Chicago
US
goods and services
42
Scientific and computer services
ID: 13