PHD. Logo (USPTO, 06/08/1956)
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The US trademark PHD. was filed as Figurative mark on 06/08/1956 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 03/12/1957.
The current status of the mark is "EXPIRED".
Trademark form | Figurative mark |
File reference | 72009866 |
Register number | 642677 |
Application date | June 8, 1956 |
Entry date | March 12, 1957 |
ID: 1372009866