Here is an update: We just came from our infopass appointment (downtown los angeles uscis office), but it didnt go smooth as expected. The agent that talked to us was very rude, and after reviewing and making copies of our documents, we were told that they will perform a background check on us before continuing the process. He said it may take up to 90 days, and when I asked him what was the reason, he just said he couldnt gave me any further information. All I can think of, is that our passports and work permits were all expired, except our driver's licenses. Also I didnt have a copy of the CoR grant addressed to me, only my wife's, but I dont think this was an issue because he never told me anything about it, plus if that was the case, he would have given the green card to my wife only. Also, last time we did our biometrics was several years ago, and I know I may have to do those again, but he didnt mention that on the interview. I called the USCIS and they told me that I should wait those 90 days for any response from themselves. If I dont get one by then, I should call them back and see whats going on with my case. I will have to start checking the status of my case online, and hope that it moves forward.