Appeal No. 1999-2720
Application No. 08/580,965
stores revisions in the form of reverse deltas, while Ambriola
does not employ deltas, one would not have been motivated to
combine these references, the Examiner asserts14 that since the
claims do not specify whether the versions are stored as
deltas or complete/intact copies, the application of Ambriola
is nor precluded.
Next, the Examiner argues that since Tichy uses a
triangle to represent a revision stored in delta form and a
rectangle for a revision stored in complete/intact form, all
the version/revisions in figures 2-4 of Tichy can be
represented in complete intact form as evidenced by the
respective rectangles.
The Examiner then contends15 that considering the space-
time tradeoff in storing revisions in deltas to save memory
space, and the need for fast retrieval/check-out of any
revision, one of ordinary skill in the art would have been
motivated to employ
14Examiner's Answer, page 9
15Examiner's answer, page 10
14
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