Appeal No. 1997-3851
Application No. 08/355,210
(Fed. Cir. 1983). "Additionally, when determining
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, 519 U.S. 822 (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 pages 2 and 3 of the reply brief, Appellants point out
that claim 27 sets forth “when a write instruction is issued
to one of said data disks all said data disks execute an
operation which prevents said data disks from inputting and
outputting data.” Appellants further point out that this
limitation sets forth that when the condition exists that an
operation is being executed by the data disks which prevents
the data disks from inputting and outputting data, the write
data storage means temporarily stores data to be written in
one of the data disks. On page 4 of the reply brief,
Appellants argue that Satoh does not teach or disclose storing
data temporarily when an operation is executed that prevents
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