Appeal No. 1999-2703
Application No. 08/772,068
Turning to the other rejections under 35 U.S.C. § 103,
with regard to claim 2, the examiner recognizes that Hamaguchi
is silent with regard to the mass of the slider, e.g., the
mass being “greater than 2 mg inclusive.” The examiner takes
“Official notice” that magnetic head sliders having the
claimed mass “are notoriously old and well known in the art”
[answer-page 5] but points to U.S. Patent No. 5,243,482 to
Yamaguchi, specifically column 2, line 59, as evidence of the
allegation. Yamaguchi discloses a slider mass of 57 mg, which
is “greater than 2mg inclusive,” as claimed.
Appellant does not deny that Yamaguchi shows such a
slider mass but argues that the tables of the instant
specification show “that not just any weight can be put on the
end of just any suspension spring” [principal brief-page 9].
Appellant argues that Yamaguchi shows a “very complex and
expensive support system,” while appellant has a “simple and
relatively low cost leaf spring” [principal brief-page 10].
However, appellant points to no claim language on which he
relies with regard to such arguments.
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