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The US trademark HYDRO STAIRS was filed as Word mark on 02/17/1972 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 10/30/1973.
The current status of the mark is "EXPIRED".
Trademark form | Word mark |
File reference | 72415859 |
Register number | 971736 |
Application date | February 17, 1972 |
Entry date | October 30, 1973 |
ID: 1372415859