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The US trademark DIAZOCHROME was filed as Word mark on 12/01/1955 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 07/09/1957.
The current status of the mark is "EXPIRED".
| Trademark form | Word mark |
| File reference | 71699260 |
| Register number | 648232 |
| Application date | December 1, 1955 |
| Entry date | July 9, 1957 |
Trademark owner
DELAWARE COUNTY PA
goods and services
1
DIAZO-SENSITIZED FILM FOR AMMONIA DEVELOPMENT FOR PRODUCING COLORED IMAGES
ID: 1371699260