SPHERON Logo (USPTO, 12/15/1969)
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The US trademark SPHERON was filed as Figurative mark on 12/15/1969 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 02/08/1972.
The current status of the mark is "EXPIRED".
| Trademark form | Figurative mark |
| File reference | 72346216 |
| Register number | 928521 |
| Application date | December 15, 1969 |
| Entry date | February 8, 1972 |
Trademark owner
125 HIGH ST.
02110 BOSTON
US
02110 BOSTON
US
goods and services
1
CARBON BLACK FOR USE IN THE MANUFACTURE OF INKS AND INKING MATERIALS
ID: 1372346216