The opinion in support of the decision being entered today was not written for publication and is not binding precedent of the Board.
Paper No. 26
UNITED STATES PATENT AND TRADEMARK OFFICE
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BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
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Ex parte YING-WAI HO, MICHAEL SCHULTE, and JOHN LAWRENCE KELLEY
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Appeal No. 2004-0115
Application No. 09/363,637
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HEARD: Apr. 13, 2004
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Before GROSS, BARRY, and SAADAT, Administrative Patent Judges.
BARRY, Administrative Patent Judge.
DECISION ON APPEAL
A patent examiner rejected claims 17-40. The appellants appeal therefrom under
35 U.S.C. § 134(a). We reverse.
BACKGROUND
The invention at issue on appeal approximates the "reciprocal square root" of a
number. The reciprocal square root of a number (N) is 1 divided by the square root of
N. (Spec. at 2.) The Newton-Raphson algorithm can be used to approximate a
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