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The US trademark KEYSTONE was filed as Word mark on 05/22/1989 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 12/26/1989.
The current status of the mark is "REGISTERED AND RENEWED".
| Trademark form | Word mark |
| File reference | 1572890 |
| Register number | 73801637 |
| Application date | May 22, 1989 |
| Entry date | December 26, 1989 |
| Expiration date | December 26, 2029 |
Trademark owner
8000 West Florissant Avenue
63136 St. Louis
US
63136 St. Louis
US
Trademark representatives
300 N. Lasalle Street Suite 4000
60654 Chicago
US
goods and services
6
Metal Goods
7
Machinery
9
Electrical and Scientific Apparatus
ID: 13