WORK-FACTOR Logo (USPTO, 08/13/1952)
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The US trademark WORK-FACTOR was filed as Figurative mark on 08/13/1952 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 05/17/1955.
The current status of the mark is "EXPIRED".
Trademark form | Figurative mark |
File reference | 71633901 |
Register number | 606170 |
Application date | August 13, 1952 |
Entry date | May 17, 1955 |
ID: 1371633901