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The US trademark PETROSPHER was filed as Word mark on 03/26/1990 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 10/13/1992.
The current status of the mark is "REGISTERED AND RENEWED".
| Trademark form | Word mark |
| File reference | 1723319 |
| Register number | 74042655 |
| Application date | March 26, 1990 |
| Entry date | October 13, 1992 |
| Expiration date | October 13, 2032 |
Trademark owner
5301 Stevens Creek Blvd.
95051 Santa Clara
US
95051 Santa Clara
US
Trademark representatives
P.o. Box 8749
80201-8749 Denver
US
goods and services
9
Electrical and Scientific Apparatus
ID: 13