Given the following passage "On September 30, 1987, Foster filed an application with the United States Patent and Trademark Office to patent his invented sport. The patent application covered the rules of the game, specifically detailing the goalposts and rebound netting and their impact on gameplay. Foster's application was granted on March 27, 1990. The patent expired on September 30, 2007.", answer the following question. Note that the answer is present within the text. Question: What happened 27 months and 27 days after Foster filed an application?
Answer:
Foster's application was granted