flyingmachine,
In terms of "feedback" if you mean, "hey we have your app on file, thanks"....in the old days when it was all paper, one would receive an index card thanking you for applying...now the rule of thumb is, if you can log back on to the website & find your data as you posted it, the data is now in the system & you will be considered as eligible to be selected for an interview.
As walden alluded to, if you're looking for a timeframe in which you will be called for an interview, the span is as great as walden described. Good luck.