Hi, my green card was expired on November I sent the I-90 form on February 6 andI haven't received the receipt yet, and I have a very important meeting to go to on march 28 next month in my country. Do you think it will b possible for me to get a stamp on my passport by then please?

Yes, you can get a stamp in your passport. Just make an appointment using INFOPASS.

Make an appointment here: InfoPass.. (http://infopass.uscis.gov//)

Bring your documents and passport.

I had called uscis yesterday asking them about it cause my mom just passed they transferred me to an immigration officer he had look through for it with my green card number and he gave me the receipt number. Does that mean they accepted the case?