What does Patended Case mean? 1 Answers as of October 27, 2016

I'm trying to find out if a patent is current or has expired. This is a Utility Patent Filing Date 9/26/1988, Issue Date 4/24/1990. When I checked the USPTO website, it tells me no fees due and the status is patented case.

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Law Office of Kirk Buhler
Law Office of Kirk Buhler | Kirk A Buhler
"Patented Case" means that the invention was patented, as opposed to being rejected and then abandoned. A patent is only enforceable for a maximum of 20 years if all the fees are paid. This invention was patented and is currently EXPIRED so the owner of the patent can't sue someone for infringing on the invention / patent. Let me know if you have any questions in regard to this issue.
Answer Applies to: California
Replied: 10/27/2016
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