Appeal No. 97-4206
Application 08/662,263
and they are clearly narrower at the bottom than at the top.
As to Herder, while this reference does in fact teach a
notch that is wider at the bottom than at the top, it is used
to cooperate with a lever having a correspondingly shaped
flange on the end thereof that pivots about a vertical axis so
as to swing the flange laterally into and out of the notch,
thereby forming a "swallow-tailed" (translation, page 2) or
dovetail connection when the flange is engaged in the notch.
There is absolutely nothing in the combined teachings of the
admitted prior art and Herder which would suggest singling out
the feature of the notch having a wider bottom than opening at
the top (which was intended to cooperate with a
correspondingly shaped flange) and incorporate it into the
notch of the admitted prior art wherein the spring arm pivots
about a generally horizontal axis so as to swing the flange
vertically into and out of the notch. The examiner may not
pick and choose from any one reference only so much of it as
will support a given position, to the exclusion of other parts
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