Questions tagged [expired]

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Failure to pay maintenance fees

If an inventor submits an idea and it has been accepted, and he makes no tangible device (it remains intellectual rather than carried out). But then the inventor does not pay the maintenance fees, ...
3
votes
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US20140312193A1 Is this an expired PPA or a non provisional patent?

I invented a similar idea years ago but never sold it or disclosed it publicly. ALthough I thought about patenting it in 2013 and could not find any anything similar at the time, I just didn't have ...