Appeal No. 2000-0330 Page 12
Application No. 08/684,871
Here, the appellant added claims 18-37 to his specification
by an amendment. (Paper No. 9.) Claims 18 and 19, the
independent claims among the added claims, specify in pertinent
part the following limitations: “calculation means for
calculating a time shift between packets received on said main
path and on said substitute path, and check means, responsive to
said time shift, for checking the switching to avoid packet
losses or packet duplications.” (Emphasis added.) In summary,
the amendment added means for calculating and means for
responding to a shift in time.
The appellant fails to show that the original specification,
which includes the original claims, disclosed the limitations.
In the amendment, he alleged that a description of the added
limitations could be found in the passage of the specification
spanning “line 28 of page 4 through line 20 of page 5. . . .”
(Paper No. 9 at 7.) The passage, however, teaches calculating a
shift between the number of cells received via a main path and
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