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The US trademark KEYSTONE was filed as Word mark on 09/23/2011 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 07/08/2014.
The current status of the mark is "SECTION 8 & 15-ACCEPTED AND ACKNOWLEDGED".
| Trademark form | Word mark |
| File reference | 4565475 |
| Register number | 85982009 |
| Application date | September 23, 2011 |
| Entry date | July 8, 2014 |
| Expiration date | July 8, 2024 |
Trademark owner
2709 Commerce Way
19154 Philadelphia
US
19154 Philadelphia
US
Trademark representatives
1650 Market St Fl 18
19103-7395 Philadelphia
US
goods and services
11
Environmental Control Apparatus
ID: 13