I think the old names and their usage have very little actual value for the older lines / strains no longer in the hands of the developers. Extensive crossing, declared / realized or not, plus different hands in selection process cause major changes very rapidly. In many cases what is "called" a breed simply has approximate proper color and station with usually at least some of the true breed in its background. My Hatch-looking birds descended from we called the same back in the 1970's and my grandfather reportedly joked around calling the same line the same well before the second World War. They still underwent changes during those intervals even when very little if any blood was infused into line, especially after the early 1980's. Still look like same line from about 1929 but the differences would be interesting to understand.
I would not get hung up on legal troubles risk when using strain names. For most they have value now as poodle has for being a bird dog in the U.S.
I would not get hung up on legal troubles risk when using strain names. For most they have value now as poodle has for being a bird dog in the U.S.