I had my invite the secondary the next day (end of July) with a 3.5-3.6 and 35-37. I think you should check you should check all spam emails or call to figure out whats up. If you have a search function on your email, here is the start of the email you can copy/past to search:
"RE: Application Acknowledgement for entering 2014
We are pleased to acknowledge the receipt of your verified AMCAS Application Report for the class entering in 2014. Most of our correspondence this year, including final decisions, will be sent via email. Please make sure that you keep your contact information, including preferred address, phone number, and email, updated with AMCAS."
The secondary login information followed which is your AMCS # and a randomly generated password provided in the email.