In order to help customers plan and be prepared to download the patch sets released for Billing and Revenue Management for release 7.4 and 7.5, Oracle Support has created knowledge articles providing the high level release schedule.  Please visit the knowledge article 160734.1 for release 7.4 and 1451589.1 for release 7.5 to obtain the latest information about the patch set release schedule.  Feel free to open a community thread here, if you have any questions about the schedule or time frame.