Appeal No. 1996-1715
Application No. 08/068,592
Lowry teaches a timestamp associated with the
versions.
The examiner continues (Supplemental Answer, page 3),
A comparison of version numbers to locate a specific
version is performed on column 33[,] lines 10-16.
Although Lowry by itself teaches a timestamp
associated with each version, when Lowry is combined
for example with Miller, different versions of the
macropages would be indicated with a version number
and a timestamp, and one would locate the highest
version having a specific timestamp which is less
than the checkpoint timestamp.
As appellant (Reply Brief, page 3) explains, the
"checkpoint disclosed in Lowry is a system for storing a
version of a data structure with the purpose of restoring the
data structure with the stored version should the data
structure subsequently become corrupted. The checkpoint is
therefore a type of error recovery." The checkpoint version
replaces the master data structure when part or all of the
data structure is lost or destroyed. Contrary to the
examiner's assertion, Lowry does not disclose timestamps. The
checkpoint occurs when needed and does not have a timestamp
associated therewith. Lowry does not deal with propagating an
update through a distributed network. Lowry does not disclose
the method steps recited in claim 39 such as the systematic
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