Appeal No. 1998-0560
Application 08/527,957
flange" (FR2; EA4). However, the Examiner concludes, it
would have been obvious "to determine the size of the hub,
hub member, and flange . . . disclosed by Kato et al by
routine experimentation, by keeping in account the disk
elastic properties and the need for maximize [sic] the
amount of usable disk area, as a change in size of a
structure known in the prior art involves only ordinary
skills in the art" (FR2; EA4). The Examiner states that one
of ordinary skill in the art "would have been motivated to
do so to provide adequate connection and support of the
sheet . . . without excessively limiting the usable area of
the sheet, as required by the well known trend in the art
toward maximization of the amount of information storable on
disks" (FR2-3; EA4).
Appellants argue that the industry standard prior art
2 MByte 3.5" (89 mm) diskette has a hub having a diameter of
approximately 29.0 mm and that the Examiner has provided no
motivation to decrease the diameter of the hub. Appellants
refer to the affidavit under 37 CFR § 1.132 of James K.
Knudsen (Paper No. 12).
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