Appeal No. 95-0916
Application 07/803,530
appellants’ specification makes it clear that the baffle
enclosure is a tube 100 having apertures 110 which directs the
flow of gas to a particular location and in a particular
direction, and is something in addition to the various screens
(see, e.g., pages 6 and 7). We can think of no circumstances
under which the artisan, consistent with the appellants’
specification, would consider the filter layers 44, 52, 54, 50
and 56 of Goetz and the filter layers 11 and 13’ of Jorgensen
to be “baffle enclosures” as the examiner contends. In Goetz
there is nothing which can be fairly considered to be a baffle
enclosure and in Jorgensen the member 12’ is the baffle
enclosure.
Turning to the proposed combination of references, we
observe that Goetz and Jorgensen are directed to two different
types of gas generators. That is, the gas generator of Goetz
is designed for “cylindrical radial flow” (column 1, line 42)
of gas through all the screens, including screen 48 which the
examiner considers
to be a cooling screen. On the other hand, the gas generator
of Jorgensen is designed for circumferential flow of gas
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