Those who filed I-485...when did you get I-485 reciept notice?

[GC_Europe]

Those who filed I-485 on JUNE 1st.....could you tell me, please when you recieved your I-485 reciept notice?...in how much time did you get your I-485 reciept notice?

Is anyone who filed for I-485 and then left U.S without the reciept notice?...is it possible to leave without I-485 reciept notice?

Please share your experience!
Thank you in advance!