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The US trademark DORR was filed as Word mark on 10/24/1947 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 07/18/1950.
The current status of the mark is "EXPIRED".
| Trademark form | Word mark |
| File reference | 71542738 |
| Register number | 527664 |
| Application date | October 24, 1947 |
| Entry date | July 18, 1950 |
Trademark owner
570 LEXINGTON AVENUE
NEW YORK
US
NEW YORK
US
goods and services
7
APPARATUS FOR THE TREATMENT OF SOLIDS SUSPENDED IN LIQUIDS-NAMELY, THICKENERS, TRAY THICKENERS, CLARIFIERS, AGITATORS, CLASSIFIERS, BOWL CLASSIFIERS, PUMPS, SEWAGE DIGESTERS, SEWAGE BAR SCREENS, VACUUM FLOTATION MACHINES, HYDROSEPARATORS, WASHERS, CONVEYERS, AND SLURRY MIXERS
ID: 1371542738