The reality of course is there is no public domain to speak of in the USA, except for abandoned works, unless you have vast financial resources. Suppose the ear

The reality of course is there is no public domain to speak of in the USA, except for abandoned works, unless you have vast financial resources. Suppose the early Disney stuff somehow actually enters the public domain. Anyone that tries to use it is going to get absolutely buried in trademark lawsuits and the usual tidal wave of spurious motions.