Appeal No. 1998-1735 Page 2
Application No. 08/339,980
BACKGROUND
The appellant's invention relates to an apparatus for producing plastic film by
extrusion. An understanding of the invention can be derived from a reading of exemplary
claim 4, which appears in the appendix to the appellant's Second Amended Brief.
The prior art relied upon by the examiner in rejecting the appealed claims are:
VanErden 4,931,003 Jun. 5, 1990
Lenius et al. (Lenius) 5,124,094 Jun. 23, 1992
Edge 5,179,521 Jan. 12, 1993
Konermann 5,281,375 Jan. 25, 1994
The admitted prior art shown in Figure 3 of the appellant’s drawings and described on
pages 1-3 of the specification.
Claim 6 stands rejected under 35 U.S.C. § 112, second paragraph, as being
indefinite.
Claim 4 stands rejected under 35 U.S.C. § 103 as being unpatentable over the
admitted prior art in view of Lenius.
Claim 5 stands rejected under 35 U.S.C. § 103 as being unpatentable over the
admitted prior art in view of Lenius and Konermann.
Claim 6 stands rejected under 35 U.S.C. § 103 as being unpatentable over the
admitted prior art in view of Lenius and VanErden or Edge.
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 Next
Last modified: November 3, 2007