RHE CON O Logo (USPTO, 09/14/1970)
USPTOProtect this trademark from copycats!
With our trademark monitoring alerts, you are automatically notified by email about copycats and free riders.
The US trademark RHE CON O was filed as Word and figurative mark on 09/14/1970 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 and figurative mark |
| File reference | 72370562 |
| Register number | 939353 |
| Application date | September 14, 1970 |
| Entry date | August 1, 1972 |
Trademark owner
77242 HOUSTON
US
Trademark representatives
goods and services
1
LIGNOSULPHONATE MUD THINNER AND CONDITIONER FOR USE IN DRILLING
ID: 1372370562