Appeal No. 1996-3525 Page 9
Application No. 08/089,595
specification as it would be interpreted by one of ordinary
skill in the art. In re Sneed, 710 F.2d 1544, 1548, 218 USPQ
385, 388 (Fed. Cir. 1983). Moreover, limitations are not to
be read into the claims from the specification. In re Van
Geuns, 988 F.2d 1181, 1184, 26 USPQ2d 1057, 1059 (Fed. Cir.
1993) citing In re Zletz, 893 F.2d 319, 321, 13 USPQ2d 1320,
1322 (Fed. Cir. 1989).
In applying these principles to claim 10 we conclude that
the limitations thereof are readable on the combined teachings
of the applied prior art. In that regard, the limitations of
paragraph e) of claim 10 read on the push button switch
assembly of Morris '163 as follows: a sensor (push button 37)
axially movable (push button 37 is axially movable within the
shaft 35 as shown by dashed lines in Figure 2) relative to
said plunger (push button 17) for generating a demand signal
upon the user moving said plunger into operative association
with said sensor (upon pushing push button 17 axially against
the bias of spring 24 it engages push button 37 which moves
axially to close switch 30 thereby generating a demand signal
by connecting conductors 31 and 32 together). Thus, it is
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