Appeal No. 1997-2246 Application 08/353,572 Moreover, the diligence must begin from a time prior to September 12, 1988, 37 CFR § 1.131, and even the appellants’ above-quoted 13Page: Previous 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 NextLast modified: November 3, 2007