Appeal No. 97-2657
Application 08/359,286
ing obviousness, the claimed invention should be considered as
a whole; there is no legally recognizable 'heart' of the
invention." Para-Ordnance Mfg. v. SGS Importers Int'l, Inc.,
73 F.3d 1085, 1087, 37 USPQ2d 1237, 1239 (Fed. Cir. 1995),
cert. denied, 117 S.Ct. 80 (1996) citing W. L. Gore & Assoc.,
Inc. v. Garlock, Inc., 721 F.2d 1540, 1548, 220 USPQ 303, 309
(Fed. Cir. 1983), cert. denied, 469 U.S. 851 (1984).
On page 5 of the brief, Appellant argues that
Watanabe fails to teach or suggest "the timer being reset to
zero each time the at least one device accesses the bus, such
that the timer has a value indicating an elapsed time since
the at least
one device last accessed the bus" as recited in Appellant's
claim 1. Appellant further argues that Watanabe fails to
teach "the timer being reset to a previously determined
minimum access interval associated with the at least one
device each time the at least one device accesses the bus, the
timer counting down toward zero" as recited in Appellant's
claim 7. Appellant further argues on page 6 of the brief that
Watanabe fails to teach "resetting the corresponding timer
4
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