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The US trademark ROCK KNOCKER was filed as Word mark on 07/25/1977 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 12/12/1978.
The current status of the mark is "CANCELLED - SECTION 8".
| Trademark form | Word mark |
| File reference | 1108571 |
| Register number | 73135219 |
| Application date | July 25, 1977 |
| Entry date | December 12, 1978 |
| Expiration date | December 12, 2018 |
Trademark owner
11550 Old Main St. Loop Rd.
77025 Houston
US
77025 Houston
US
Trademark representatives
555 Mission Street, Suite 2400
94105-2933 San Francisco
US
goods and services
15
Musical Instruments
ID: 13