Trademarks are industry specific. McDonalds has the rights to the likeness of Ronald McDonald in commercial transactions and marketing involving food, and nothing else.
Incidentally, this is why Apple Records, Apple Socks, and Apple Computer can all simultaneously exist.
To this day, Apple Computer pays a licensing fee to Apple Records for the existence of iTunes; because Apple Records has retained the trademark for the use of the word Apple in reference to music sales since before Steve Jobs ever touched a computer.
Incidentally, this is why Apple Records, Apple Socks, and Apple Computer can all simultaneously exist.
To this day, Apple Computer pays a licensing fee to Apple Records for the existence of iTunes; because Apple Records has retained the trademark for the use of the word Apple in reference to music sales since before Steve Jobs ever touched a computer.