I am sure a lot of people have claimed because it is actually a consumer right. I am sure you could find out plenty of information online. I think AppleCare is apple’s way of simplifying things – you can just take it into their store anytime. But just so you know, I have never known Apple to turn away any of their hardware……I have had a 3 year old iPad sorted by then FOC but that could be few and far between.
I will provide an email confirmation print out as proof of purchase.