Changes

== Downloading the files ==

The files (in xml format) for granted patent data can be obtained at [https://www.google.com/googlebooks/uspto-patents-grants-text.html granted patent]

The files for patent application data can be obtained at [https://www.google.com/googlebooks/uspto-patents-applications-text.html patent applications]

The files for maintenance fees data can be obtained at [https://www.google.com/googlebooks/uspto-patents-maintenance-fees.html maintenance]