We filed a N-400 Application for Naturalization petition with USCIS on 5/16/2017 and received the oath ceremony notice on 9/5/2017.
USCIS Filing Date: 5/16/2017
Biometrics Notice Date: 5/21/2017
USCIS Approval Date: 9/5/2017
Processing time from USCIS Filing to Approval: 3 Months, 30 Days
USCIS #: NBC-006-853-807
Source: h1b now