(2) On the close of the day that is 3 years after the commencement of Part 3, this section is repealed and any regulations made under it that are still in force are revoked (except that those regulations continue to apply, as if not revoked, for the purposes of—
(b) the bringing and completion of any application, request, notice, or other proceeding relating to the patent application, whether commenced before or after that revocation).