This requirement is subject to the provisions of 37 CFR 1.134 , 1.135 and 1.136 and has a shortened statutory period of [1] months. EXTENSIONS OF THIS TIME PERIOD MAY BE GRANTED UNDER 37 CFR 1.136(a) but in no case can any extension carry the date for reply to this letter beyond the maximum period of SIX MONTHS set by statute ( 35 U.S.C. 133 ).