Appeal No. 2003-0091 Application No. 09/298,640 sheet 5 and sheet layer 3, each of which materially affects the basic characteristics the glass. The examiner’s position that the sheet layer 3 and polyvinylbutyral sheets 4 and 5 collectively constitute a “penetration resistant sheet” as required by claim 22 runs counter to Grolig’s description of these elements as separate entities. Hence, Grolig does not meet the exclusions required by the “consisting essentially of” limitation in claim 22. Therefore, we shall not sustain the standing 35 U.S.C. § 102(b) rejection of independent claim 22 and dependent claims 23 through 25, 30, 31 and 35 as being anticipated by Grolig. III. The 35 U.S.C. § 103(a) rejection of claims 1 through 3, 5 through 11, 18 through 27 and 34 through 36 as being unpatentable over Schimmelpenningh Schimmelpenningh discloses a safety glass structure 20 resistant to extreme wind and impact conditions. The structure comprises a frame forming an opening and defining an outer rigid channel [1]; a laminated glass panel [10] within the opening comprising first and second glass layers [5 and 6] bonded to an interlayer [7] of plasticized polyvinyl butyral [PVB]; an inner rigid channel [8] within the frame circumscribing the periphery of and bonded to said laminated glass panel by a self-sealing adhesive [9] which permits no or minimal relative movement between the border area of the panel and said inner rigid channel; and said inner rigid channel being 8Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007