Appeal No. 97-4249
Application No. 08/249,400
exchanger comprising a first conduit "having a generally
serpentine configuration with a plurality of spaced, generally
parallel legs" and a second heat exchanger with a second
conduit
having the same configuration. The claim then goes on to
require
"said first conduit at least partially interweaving between two
or more legs of said second conduit." Claims 11 and 16 set
forth
first and second heat exchangers each having a plurality of
spaced, generally parallel conduits which form first and second
"continuous" conduits, with "said conduits of said first heat
exchanger interweaving between two or more of said conduits of
said second heat exchanger." The examiner has rejected
independent claim 1 as being unpatentable over O'Neal in view
of Oogushi and Wasielewski, and independent claims 11 and 16 on
the basis of these three references plus Holowczenko and
Mantegazza. In each case, the examiner has first combined the
teachings of O'Neal and Oogushi in order to, in his opinion,
arrive at the basic structure recited in each of the
independent claims. Be that as it may, the examiner then has
taken the position that one of ordinary skill in the art would
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Last modified: November 3, 2007