Appeal 2007-2140
Application 09/892,790
Patent 5,917,679
I. STATEMENT OF CASE
1. Appellants appeal under 35 U.S.C. § 134 from a Final Rejection
of reissue claims 21-60 entered July 9, 2002. We have jurisdiction under 35
U.S.C. § 6(b).
2. The Examiner has withdrawn the rejection of claims 21-60
under 35 U.S.C. § 251. (August 2004 Supplemental Answer 2:4-5).
3. Claims 21, 30-32, and 41 remain on appeal before us.
4. Independent reissue claims 21 and 31 on appeal, and 42 (newly
rejected below) read as follows:
21. A negative pressure air bearing slider having a
negative pressure cavity, comprising:
a body with a principal surface disposed to confront a
recording surface of a recording medium, said principal surface
having a lead portion and a rear portion, said lead portion being
spaced upstream from said rear portion relative to a rotational
direction of any recording medium confronted by said slider,
said lead portion having a front edge, said rear portion having a
rear edge, said front edge and said rear edge together defining
boundaries of said principal surface in a longitudinal direction
of said slider body; and
a U-shaped air bearing platform defining a negative
pressure cavity on said principal surface, said U-shaped air
bearing platform comprising not more than two separate air
bearing platforms each extending rearwardly toward said rear
portion of said principal surface and respectively terminating at
a first rear termination and a second rear termination, at least
one of said not more than two separate air bearing platforms
including a side wall portion;
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