PROTOLIN Logo (USPTO, 06/24/1922)
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The US trademark PROTOLIN was filed as Figurative mark on 06/24/1922 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 04/03/1923.
The current status of the mark is "EXPIRED".
Trademark form | Figurative mark |
File reference | 71166018 |
Register number | 166407 |
Application date | June 24, 1922 |
Entry date | April 3, 1923 |
ID: 1371166018