I did recently so I can't answer your question yet.

BioMed · Sep 18, 2015 12:44 PM

Yesterday I got this on my inbox; Your case has been accepted and routed to the USCIS Nebraska Service Center for processing. Within 7-10 days by standard mail you will receive your official Receipt Notice (Form I-797) with your Receipt Number LIN159153xxxx. With the official Receipt Notice (Form I-797) you may visit www.uscis.gov where you can check the status of your case using My Case Status. We suggest you wait until you have received your Form I-797 before checking My Case Status. This confirmation provides notification of the date USCIS received your case. This notice does NOT grant any immigration status or benefit. You MAY NOT present this notice as evidence that you have been granted any immigration status or benefit. Further, this notice does NOT constitute evidence that your case remains pending with USCIS. The current status of your case must be verified with USCIS. PLEASE DO NOT REPLY TO THIS MESSAGE

BioMed · Sep 24, 2015 2:04 PM