"year" is the name of the folder you've placed the xml files to be parsed. It iterates through all the files in the "year" directory that you passed. This file directly loads the information into the database
while it parses the file.
====For the USPTO Maintenance Fee Data====
Download the file manually from https://bulkdata.uspto.gov/data2/patent/maintenancefee/and replace existing file in McNair/Patent Data/Maintenance Fee Data.
== Specifications of USPTO Data To Extract ==