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The US trademark PROLONG was filed as Word mark on 02/04/1965 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 08/23/1966.
The current status of the mark is "EXPIRED".
| Trademark form | Word mark |
| File reference | 72211343 |
| Register number | 813264 |
| Application date | February 4, 1965 |
| Entry date | August 23, 1966 |
Trademark owner
2222 LUNT AVE. ELK GROVE VILLAGE, ILL.
goods and services
1
AEROSOL CHEMICALS FOR PREVENTING OXIDATION OF PHOTOGRAPHIC DEVELOPERS AND REPLENISHERS
ID: 1372211343