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Harry Winston

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Harry Winston

Re: ice_n_ak post# 49745

Thursday, 09/26/2019 1:27:56 PM

Thursday, September 26, 2019 1:27:56 PM

Post# of 52840
The U.S. Patent and Trademark Office has a special page about the expiration date of patents.

A U.S. Government website called Stop Fakes has more information, but it hasn't been updated in three years.

Here's the Wikipedia page for the subject.

Detailed information is available on this website run by a U.S. law firm, one of several firms that has a page about this subject.

You're welcome.
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