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The US trademark SPHERON was filed as Word mark on 07/05/1994 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 02/09/1999.
The current status of the mark is "REGISTERED AND RENEWED".
| Trademark form | Word mark |
| File reference | 74545922 |
| Register number | 2222985 |
| Application date | July 5, 1994 |
| Publication date | September 26, 1995 |
| Entry date | February 9, 1999 |
Trademark owner
Two Seaport Lane
022102019 Boston
US
022102019 Boston
US
goods and services
1
carbon black for manufacturing use in the rubber, plastics, coatings, and ink industries
ID: 1374545922