Appeal No. 96-3763
Application 07/946,509
except for the various differences brought about by their
independent claims, we will consider dependent claim 20.
In addition to the limitations of independent claim
17 and dependent claim 18, from which claim 20 depends, claim
20 adds the limitation “wherein the message header generation
means
includes means for maintaining selected ones of the plurality
of data fields constant for each said selected data message to
a coupled network input port.”
The examiner’s rationale for the rejection of the
claims under 35 U.S.C. § 103 appears at pages 4-5 of the
answer. Therein, it is stated that Childs shows a multi-stage
network having everything recited in the claims but for a
“hardware based message header generation means.” The exam-
iner relies on Filepp for a reception system for generating
headers to send over the network via software. The examiner
then relies on Takada for a system comprising a hardware based
message header generator, specifically pointing to Takada’s
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