http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=40&f=G&l=50&co1=AND&d=PG01&s1=Nintendo.AS.&OS=AN/Nintendo&RS=AN/Nintendo
...What game is this in reference to?
Could have been that Nintendo Pennant Chase, or maybe they were going to use it in Mario Baseball. Either way, like NPC, it was canceled.