To download a copy of a patent from the U.S. Patent and Trademark Office, please enter your request in the format below:
For US Utility Patent, enter in the format: 5123123 or 5,123,123
For US Patent Publication, enter in the format: 20150150184 or 2015/0150184
NOTE: Failed patents will be removed from cache every 15 minutes. If you retrieve an empty PDF, please try again 15 minutes later.
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