Received I-485 receipt and my interview date. How long till I get my green card?

I sent my I-130 around may and was approved a month after. I am married to a U.S citizen and overstayed my VISA.. I also sent my I-485 with everything they ask for.. now I have received my interview date for Feb. 11th how soon after the interview do you get your green card?? or residence?? I have also just mailed form I-765 work authorization permit.. when will I receive a notice or the permit itself??