Applied for Permission to Remain with Family FLRM

[tbn3]

I am waiting to hear if my application for permission to remain with family (spouse of 25 years who is British), has been approved. I mailed it and it was received prior to my regular 6 month allowed stay (return flight date), which ended on Feb. 2017. My application asking to remain was received by immigration on the 1st of Jan. this year. I was notified on that date with a reference number for my application. I'm still waiting to hear back. Just passed the 12 week time frame.
Since the date I 'should' have returned to USA if I weren't applying to remain with my wife has passed that I could legally be here from the USA, does that mean I'm an overstay? Site stated that application had to be received prior to the date I would be considered an overstay, which it was. Would have been much sooner but I also had to wait to receive the 1st biometrics that I needed to send in with passport, application and NHS fees.
They have everything and I'm confident (as much as one can be), that my application is in order and includes all required.
Am I in trouble here and could this affect a positive decision on my application?

Thanks all,
Tony

[vinny]

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