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The US trademark KNOCK KNOCK was filed as Word mark on 02/08/1993 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 06/21/1994.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 74357213 |
| Register number | 1841257 |
| Application date | February 8, 1993 |
| Publication date | July 13, 1993 |
| Entry date | June 21, 1994 |
Trademark owner
26 West Dry Creek Circle, Suite 195
80120 Denver
US
80120 Denver
US
Trademark representatives
goods and services
9
computer software for determining whether a valid network connection exists between two or more computers or peripherals
ID: 1374357213