How to check if I-485 received

Question details

How will i know if they already recived ( i mean is there a way to trck it) my application for the change of status (I-485). i sent that last april 29, 2010....how long do i have to wait for the responds from the uscis....

ANSWER

You can verify delivery (if sent by Fed Ex, UPS, etc.) and also check with your bank if your fees checks were encashed.