wow..reply after 1 month and 9 days. lol it usually takes up to 21 (mostly 14 days) to get a receipt from USCIS. In the receit , you can see the number that starts with SRC- then go to..www.uscis.gov, and click on that case processing link. https://egov.immigration.gov/cris/caseStatusSearchDisplay.do;jsessionid=a4gY4FXEionf