Appeal No. 95-3641
Application 07/992,069
This is a decision on the appeal under 35 U.S.C. § 134
from the examiner's rejection of claims 1-8, which constitute all
the claims in the application.
The claimed invention pertains to a method and apparatus
for providing compatibility between a prior version of a computer
program and a later version of the computer program.
Specifically, when a given version of a computer program saves
data, it stores the data in both a file format specific to the
version of the program and in a file format which is independent
of the specific version and is universally recognizable. That
way, when one version of the program seeks to access data from a
different version of the program, it reads the specific format
version if it understands it or reads the independent format
version if it does not recognize the specific version.
Representative claim 1 is reproduced as follows:
1. A method executed in a computer system for providing
compatibility between a prior version of a computer program and a
later version of the computer program, the computer including a
memory storing a file with data in both a version dependent
external format specific to the prior version of the computer
program and data in a version independent data format, the method
comprising the steps of:
receiving a request to process the data stored in the
file using the later version of the computer program;
determining whether the data stored in the version
dependent external format can be processed by the later version
of the computer;
2
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