I was making the point that elements of the character not established in the works coming into public domain, would remain under copyright, and that trademark w

I was making the point that elements of the character not established in the works coming into public domain, would remain under copyright, and that trademark would also lock the character up (for many specific uses) - but I did fuzz the point excessively. In the case of Mickey Mouse, this is a substantial part of the characters personality - most of which didnt come out until the successful shorts of the mid-30's.