Appeal No. 1999-1332 Application No. 08/591,857 the case surrounding the filter pack. The examiner has taken the position, however, that [i]t would have been obvious to someone of ordinary skill in the art at the time of the invention to substitute flat sheets adhesively attached to the sides of a filter pack as disclosed by Wasielewski et al[.] for the frame sides molded in situ to a filter pack as disclosed by Allen et al [sic, Allan et al.] so that the filter pack is structurally 9Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007