Appeall No. 1998-1398 Page 11
Application No. 08/400,637
cordless telephone system to the cellular telephone system 103
when the PCC 101 relocates from former to the latter. To
generate a three way call automatically, "the PCC 101
operating in a cordless telephone system requests that the
cordless base station 115 perform a
handoff from the cordless to cellular telephone system 103
...." (Spec. at 17.) Then, "the cordless base unit performs
a three way call between the PCC 101 operating in the cellular
telephone system 103, the other party and the landline phone
number of the cordless base station 115 at block 625.... the
PCC 101 answers the cellular leg of the three way call at
block 727 .... Thus, the PCC 101 is now in a cellular phone
call at block 701." (Id.) To terminate a landline path of
the three way call automatically, "the cordless base station
115 ends the landline leg of the three way call at block 627
to terminate communication between the calling party and the
cordless base station 115 ...." (Id. at 17-18.) In other
words, termination of the landline path occurs when the
PCC 101 relocates from the cordless telephone system to the
cellular telephone system 103. In view of these disclosures,
we are not persuaded that persons skilled in the art would not
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