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  • 18:1118:11, 2 September 2023 diff hist +24 Pizza saver 69.113.133.205 (talk) ‎ US Patents cannot be "renewed"; however, maintenance fees are due periodically and in this case the patent owner did not make the payment due in 1993, and thus the patent could no longer be enforceable. Leaving the word "renewed" in this entry could give the incorrect impression that US Patents can be 'renewed' at will; rather, they are either maintained, or not maintained, during their lifetime of 17/20 years. Tag: Visual edit

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