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This web site does not provide legal advice, nor is any part of it to be construed as such. Is an entertainment and educational resource, not a patent research tool. We strive to promote inspiration to writers and inventors by listing the expired patents due to failure to pay maintenance fees as published in the USPTO Official gazette.

According to our understanding of the law, ideas once protected by patents that have expired become public domain. However, you assume all legal risks from the use or misuse of patent information, and neither latepatents.net nor its staff may be held liable for any trouble caused by the use or misuse of the information on this site.

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All this having been said, please do use and enjoy this unique resource. Our mission is to breathe creative energy into the inventive imagination, and open up a channel of information that would otherwise go untapped and obscure.