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The US trademark CROWN-O-MATIC was filed as Word mark on 03/24/1971 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 08/01/1972.
The current status of the mark is "EXPIRED".
| Trademark form | Word mark |
| File reference | 72387332 |
| Register number | 939780 |
| Application date | March 24, 1971 |
| Entry date | August 1, 1972 |
Trademark owner
1719 PRESTON
77001 HOUSTON
US
77001 HOUSTON
US
goods and services
7
SAFETY DEVICE FOR STOPPING THE TRAVELING BLOCK OF A DRILLING RIG
ID: 1372387332