Yes it is a answer. You may not like it, but that is your problem.
http://www.uspto.gov/faq/trademarks.jsp#_Toc275426712
We all know that one can defend non-registered trademarks, I already acknowledged that three days ago.
But to be defendable, it has to be in active use - that's why I pointed you to the Wikipedia article, which says "five years". I'm all interested in more precise documentation, but your above link is useless in this context.
No, I didn't miss it. I just don't care.
If you don't care, why do you make claims about AInc/CUSA being able to defend it? To determine if they are able to defend it, you need to know the mark's last use in commerce.
So, once again: If it's not registered and you don't know when it was last used commercially, on what grounds do you claim that anybody owns enforcable rights regarding this mark?